Home / 145,691,805.90-218,537,708.85-73,132,394.70

Finding the Fourth Proportional to 145,691,805.90, 218,537,708.85 and 73,132,394.70

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Solution

The fourth proportional to 145,691,805.90, 218,537,708.85 and 73,132,394.70 is: 109,698,592.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,691,805.90 : 218,537,708.85 = 73,132,394.70 : x
  2. Step 2: Convert to fraction form
    145,691,805.90/218,537,708.85 = 73,132,394.70/x
  3. Step 3: Cross multiply
    145,691,805.90x = 218,537,708.85 × 73,132,394.70
  4. Step 4: Simplify right side
    145,691,805.90x = 15,982,185,980,451,884
  5. Step 5: Solve for x
    x = 15,982,185,980,451,884/145,691,805.90
  6. Step 6: Final answer
    x = 109,698,592.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.