Home / 90,287,809.70-124,597,909.59-49,034,997.32

Finding the Fourth Proportional to 90,287,809.70, 124,597,909.59 and 49,034,997.32

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Solution

The fourth proportional to 90,287,809.70, 124,597,909.59 and 49,034,997.32 is: 67,668,693.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,287,809.70 : 124,597,909.59 = 49,034,997.32 : x
  2. Step 2: Convert to fraction form
    90,287,809.70/124,597,909.59 = 49,034,997.32/x
  3. Step 3: Cross multiply
    90,287,809.70x = 124,597,909.59 × 49,034,997.32
  4. Step 4: Simplify right side
    90,287,809.70x = 6,109,658,162,200,263
  5. Step 5: Solve for x
    x = 6,109,658,162,200,263/90,287,809.70
  6. Step 6: Final answer
    x = 67,668,693.96

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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.