Home / 52,761,646.80-79,142,470.20-43,691,720.40

Finding the Fourth Proportional to 52,761,646.80, 79,142,470.20 and 43,691,720.40

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Solution

The fourth proportional to 52,761,646.80, 79,142,470.20 and 43,691,720.40 is: 65,537,580.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,761,646.80 : 79,142,470.20 = 43,691,720.40 : x
  2. Step 2: Convert to fraction form
    52,761,646.80/79,142,470.20 = 43,691,720.40/x
  3. Step 3: Cross multiply
    52,761,646.80x = 79,142,470.20 × 43,691,720.40
  4. Step 4: Simplify right side
    52,761,646.80x = 3,457,870,679,743,732
  5. Step 5: Solve for x
    x = 3,457,870,679,743,732/52,761,646.80
  6. Step 6: Final answer
    x = 65,537,580.60

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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.