Home / 99,762,929.10-137,737,622.63-89,290,810.38

Finding the Fourth Proportional to 99,762,929.10, 137,737,622.63 and 89,290,810.38

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Solution

The fourth proportional to 99,762,929.10, 137,737,622.63 and 89,290,810.38 is: 123,279,298.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,762,929.10 : 137,737,622.63 = 89,290,810.38 : x
  2. Step 2: Convert to fraction form
    99,762,929.10/137,737,622.63 = 89,290,810.38/x
  3. Step 3: Cross multiply
    99,762,929.10x = 137,737,622.63 × 89,290,810.38
  4. Step 4: Simplify right side
    99,762,929.10x = 12,298,703,944,684,364
  5. Step 5: Solve for x
    x = 12,298,703,944,684,364/99,762,929.10
  6. Step 6: Final answer
    x = 123,279,298.79

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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.