Home / 117,418,851.20-176,128,276.80-31,157,091.20

Finding the Fourth Proportional to 117,418,851.20, 176,128,276.80 and 31,157,091.20

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Solution

The fourth proportional to 117,418,851.20, 176,128,276.80 and 31,157,091.20 is: 46,735,636.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,418,851.20 : 176,128,276.80 = 31,157,091.20 : x
  2. Step 2: Convert to fraction form
    117,418,851.20/176,128,276.80 = 31,157,091.20/x
  3. Step 3: Cross multiply
    117,418,851.20x = 176,128,276.80 × 31,157,091.20
  4. Step 4: Simplify right side
    117,418,851.20x = 5,487,644,783,156,444
  5. Step 5: Solve for x
    x = 5,487,644,783,156,444/117,418,851.20
  6. Step 6: Final answer
    x = 46,735,636.80

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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.