Home / 82,944,077.60-124,416,116.40-82,440,192.80

Finding the Fourth Proportional to 82,944,077.60, 124,416,116.40 and 82,440,192.80

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Solution

The fourth proportional to 82,944,077.60, 124,416,116.40 and 82,440,192.80 is: 123,660,289.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,944,077.60 : 124,416,116.40 = 82,440,192.80 : x
  2. Step 2: Convert to fraction form
    82,944,077.60/124,416,116.40 = 82,440,192.80/x
  3. Step 3: Cross multiply
    82,944,077.60x = 124,416,116.40 × 82,440,192.80
  4. Step 4: Simplify right side
    82,944,077.60x = 10,256,888,623,443,242
  5. Step 5: Solve for x
    x = 10,256,888,623,443,242/82,944,077.60
  6. Step 6: Final answer
    x = 123,660,289.20

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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.