Home / 124,815,078,445.80-187,222,617,668.70-115,264,445,946.60

Finding the Fourth Proportional to 124,815,078,445.80, 187,222,617,668.70 and 115,264,445,946.60

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Solution

The fourth proportional to 124,815,078,445.80, 187,222,617,668.70 and 115,264,445,946.60 is: 172,896,668,919.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,815,078,445.80 : 187,222,617,668.70 = 115,264,445,946.60 : x
  2. Step 2: Convert to fraction form
    124,815,078,445.80/187,222,617,668.70 = 115,264,445,946.60/x
  3. Step 3: Cross multiply
    124,815,078,445.80x = 187,222,617,668.70 × 115,264,445,946.60
  4. Step 4: Simplify right side
    124,815,078,445.80x = 21,580,111,294,254,832,156,672
  5. Step 5: Solve for x
    x = 21,580,111,294,254,832,156,672/124,815,078,445.80
  6. Step 6: Final answer
    x = 172,896,668,919.90

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.