Home / 86,445,373.07-129,677,140.68-28,157,593.05

Finding the Fourth Proportional to 86,445,373.07, 129,677,140.68 and 28,157,593.05

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Solution

The fourth proportional to 86,445,373.07, 129,677,140.68 and 28,157,593.05 is: 42,239,347.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,445,373.07 : 129,677,140.68 = 28,157,593.05 : x
  2. Step 2: Convert to fraction form
    86,445,373.07/129,677,140.68 = 28,157,593.05/x
  3. Step 3: Cross multiply
    86,445,373.07x = 129,677,140.68 × 28,157,593.05
  4. Step 4: Simplify right side
    86,445,373.07x = 3,651,396,155,155,040.50
  5. Step 5: Solve for x
    x = 3,651,396,155,155,040.50/86,445,373.07
  6. Step 6: Final answer
    x = 42,239,347.53

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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.