Home / 145,636,132.08-200,969,796.12-79,543,470.96

Finding the Fourth Proportional to 145,636,132.08, 200,969,796.12 and 79,543,470.96

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Solution

The fourth proportional to 145,636,132.08, 200,969,796.12 and 79,543,470.96 is: 109,765,584.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,636,132.08 : 200,969,796.12 = 79,543,470.96 : x
  2. Step 2: Convert to fraction form
    145,636,132.08/200,969,796.12 = 79,543,470.96/x
  3. Step 3: Cross multiply
    145,636,132.08x = 200,969,796.12 × 79,543,470.96
  4. Step 4: Simplify right side
    145,636,132.08x = 15,985,835,141,508,340
  5. Step 5: Solve for x
    x = 15,985,835,141,508,340/145,636,132.08
  6. Step 6: Final answer
    x = 109,765,584.36

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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.