Home / 74,748,814.20-112,123,221.30-54,593,422.20

Finding the Fourth Proportional to 74,748,814.20, 112,123,221.30 and 54,593,422.20

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Solution

The fourth proportional to 74,748,814.20, 112,123,221.30 and 54,593,422.20 is: 81,890,133.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,748,814.20 : 112,123,221.30 = 54,593,422.20 : x
  2. Step 2: Convert to fraction form
    74,748,814.20/112,123,221.30 = 54,593,422.20/x
  3. Step 3: Cross multiply
    74,748,814.20x = 112,123,221.30 × 54,593,422.20
  4. Step 4: Simplify right side
    74,748,814.20x = 6,121,190,358,854,933
  5. Step 5: Solve for x
    x = 6,121,190,358,854,933/74,748,814.20
  6. Step 6: Final answer
    x = 81,890,133.30

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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.