Home / 131,127,403.14-180,951,076.34-72,388,809.52

Finding the Fourth Proportional to 131,127,403.14, 180,951,076.34 and 72,388,809.52

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Solution

The fourth proportional to 131,127,403.14, 180,951,076.34 and 72,388,809.52 is: 99,893,940.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,127,403.14 : 180,951,076.34 = 72,388,809.52 : x
  2. Step 2: Convert to fraction form
    131,127,403.14/180,951,076.34 = 72,388,809.52/x
  3. Step 3: Cross multiply
    131,127,403.14x = 180,951,076.34 × 72,388,809.52
  4. Step 4: Simplify right side
    131,127,403.14x = 13,098,832,997,072,376
  5. Step 5: Solve for x
    x = 13,098,832,997,072,376/131,127,403.14
  6. Step 6: Final answer
    x = 99,893,940.42

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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.