Home / 136,216,916.97-187,979,294.48-74,337,255.60

Finding the Fourth Proportional to 136,216,916.97, 187,979,294.48 and 74,337,255.60

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Solution

The fourth proportional to 136,216,916.97, 187,979,294.48 and 74,337,255.60 is: 102,585,384.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,216,916.97 : 187,979,294.48 = 74,337,255.60 : x
  2. Step 2: Convert to fraction form
    136,216,916.97/187,979,294.48 = 74,337,255.60/x
  3. Step 3: Cross multiply
    136,216,916.97x = 187,979,294.48 × 74,337,255.60
  4. Step 4: Simplify right side
    136,216,916.97x = 13,973,864,860,895,742
  5. Step 5: Solve for x
    x = 13,973,864,860,895,742/136,216,916.97
  6. Step 6: Final answer
    x = 102,585,384.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.