Home / 86,445,373.58-129,677,141.43-28,157,593.55

Finding the Fourth Proportional to 86,445,373.58, 129,677,141.43 and 28,157,593.55

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Solution

The fourth proportional to 86,445,373.58, 129,677,141.43 and 28,157,593.55 is: 42,239,348.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,445,373.58 : 129,677,141.43 = 28,157,593.55 : x
  2. Step 2: Convert to fraction form
    86,445,373.58/129,677,141.43 = 28,157,593.55/x
  3. Step 3: Cross multiply
    86,445,373.58x = 129,677,141.43 × 28,157,593.55
  4. Step 4: Simplify right side
    86,445,373.58x = 3,651,396,241,111,806
  5. Step 5: Solve for x
    x = 3,651,396,241,111,806/86,445,373.58
  6. Step 6: Final answer
    x = 42,239,348.27

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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.