Home / 113,695,842.60-156,951,501.70-72,498,110.76

Finding the Fourth Proportional to 113,695,842.60, 156,951,501.70 and 72,498,110.76

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Solution

The fourth proportional to 113,695,842.60, 156,951,501.70 and 72,498,110.76 is: 100,080,065.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,695,842.60 : 156,951,501.70 = 72,498,110.76 : x
  2. Step 2: Convert to fraction form
    113,695,842.60/156,951,501.70 = 72,498,110.76/x
  3. Step 3: Cross multiply
    113,695,842.60x = 156,951,501.70 × 72,498,110.76
  4. Step 4: Simplify right side
    113,695,842.60x = 11,378,687,354,194,928
  5. Step 5: Solve for x
    x = 11,378,687,354,194,928/113,695,842.60
  6. Step 6: Final answer
    x = 100,080,065.32

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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.