Home / 131,127,404.27-180,951,077.88-72,388,810.64

Finding the Fourth Proportional to 131,127,404.27, 180,951,077.88 and 72,388,810.64

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Solution

The fourth proportional to 131,127,404.27, 180,951,077.88 and 72,388,810.64 is: 99,893,941.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,127,404.27 : 180,951,077.88 = 72,388,810.64 : x
  2. Step 2: Convert to fraction form
    131,127,404.27/180,951,077.88 = 72,388,810.64/x
  3. Step 3: Cross multiply
    131,127,404.27x = 180,951,077.88 × 72,388,810.64
  4. Step 4: Simplify right side
    131,127,404.27x = 13,098,833,312,211,590
  5. Step 5: Solve for x
    x = 13,098,833,312,211,590/131,127,404.27
  6. Step 6: Final answer
    x = 99,893,941.97

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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.