Home / 159,847,406.55-220,587,092.60-89,284,020.84

Finding the Fourth Proportional to 159,847,406.55, 220,587,092.60 and 89,284,020.84

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Solution

The fourth proportional to 159,847,406.55, 220,587,092.60 and 89,284,020.84 is: 123,210,648.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,847,406.55 : 220,587,092.60 = 89,284,020.84 : x
  2. Step 2: Convert to fraction form
    159,847,406.55/220,587,092.60 = 89,284,020.84/x
  3. Step 3: Cross multiply
    159,847,406.55x = 220,587,092.60 × 89,284,020.84
  4. Step 4: Simplify right side
    159,847,406.55x = 19,694,902,572,733,412
  5. Step 5: Solve for x
    x = 19,694,902,572,733,412/159,847,406.55
  6. Step 6: Final answer
    x = 123,210,648.19

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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.