Home / 80,902,761.96-121,440,502.01-34,867,349.63

Finding the Fourth Proportional to 80,902,761.96, 121,440,502.01 and 34,867,349.63

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Solution

The fourth proportional to 80,902,761.96, 121,440,502.01 and 34,867,349.63 is: 52,338,243.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,902,761.96 : 121,440,502.01 = 34,867,349.63 : x
  2. Step 2: Convert to fraction form
    80,902,761.96/121,440,502.01 = 34,867,349.63/x
  3. Step 3: Cross multiply
    80,902,761.96x = 121,440,502.01 × 34,867,349.63
  4. Step 4: Simplify right side
    80,902,761.96x = 4,234,308,443,216,157.50
  5. Step 5: Solve for x
    x = 4,234,308,443,216,157.50/80,902,761.96
  6. Step 6: Final answer
    x = 52,338,243.35

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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.