Home / 124,651,007.92-187,827,346.12-102,429,688.24

Finding the Fourth Proportional to 124,651,007.92, 187,827,346.12 and 102,429,688.24

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Solution

The fourth proportional to 124,651,007.92, 187,827,346.12 and 102,429,688.24 is: 154,343,689.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,651,007.92 : 187,827,346.12 = 102,429,688.24 : x
  2. Step 2: Convert to fraction form
    124,651,007.92/187,827,346.12 = 102,429,688.24/x
  3. Step 3: Cross multiply
    124,651,007.92x = 187,827,346.12 × 102,429,688.24
  4. Step 4: Simplify right side
    124,651,007.92x = 19,239,096,506,018,172
  5. Step 5: Solve for x
    x = 19,239,096,506,018,172/124,651,007.92
  6. Step 6: Final answer
    x = 154,343,689.85

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.