Home / 86,473,591.20-129,552,922.80-40,935,002.40

Finding the Fourth Proportional to 86,473,591.20, 129,552,922.80 and 40,935,002.40

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Solution

The fourth proportional to 86,473,591.20, 129,552,922.80 and 40,935,002.40 is: 61,327,963.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,473,591.20 : 129,552,922.80 = 40,935,002.40 : x
  2. Step 2: Convert to fraction form
    86,473,591.20/129,552,922.80 = 40,935,002.40/x
  3. Step 3: Cross multiply
    86,473,591.20x = 129,552,922.80 × 40,935,002.40
  4. Step 4: Simplify right side
    86,473,591.20x = 5,303,249,205,745,014
  5. Step 5: Solve for x
    x = 5,303,249,205,745,014/86,473,591.20
  6. Step 6: Final answer
    x = 61,327,963.05

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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.