Home / 135,516,351.10-187,013,685.51-73,636,689.66

Finding the Fourth Proportional to 135,516,351.10, 187,013,685.51 and 73,636,689.66

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Solution

The fourth proportional to 135,516,351.10, 187,013,685.51 and 73,636,689.66 is: 101,619,240.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,516,351.10 : 187,013,685.51 = 73,636,689.66 : x
  2. Step 2: Convert to fraction form
    135,516,351.10/187,013,685.51 = 73,636,689.66/x
  3. Step 3: Cross multiply
    135,516,351.10x = 187,013,685.51 × 73,636,689.66
  4. Step 4: Simplify right side
    135,516,351.10x = 13,771,068,721,690,556
  5. Step 5: Solve for x
    x = 13,771,068,721,690,556/135,516,351.10
  6. Step 6: Final answer
    x = 101,619,240.85

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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.