Home / 121,893,842.70-182,840,764.05-57,323,761.20

Finding the Fourth Proportional to 121,893,842.70, 182,840,764.05 and 57,323,761.20

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Solution

The fourth proportional to 121,893,842.70, 182,840,764.05 and 57,323,761.20 is: 85,985,641.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,893,842.70 : 182,840,764.05 = 57,323,761.20 : x
  2. Step 2: Convert to fraction form
    121,893,842.70/182,840,764.05 = 57,323,761.20/x
  3. Step 3: Cross multiply
    121,893,842.70x = 182,840,764.05 × 57,323,761.20
  4. Step 4: Simplify right side
    121,893,842.70x = 10,481,120,296,027,746
  5. Step 5: Solve for x
    x = 10,481,120,296,027,746/121,893,842.70
  6. Step 6: Final answer
    x = 85,985,641.80

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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.