Home / 52,144,711.20-78,217,066.80-31,961,325.60

Finding the Fourth Proportional to 52,144,711.20, 78,217,066.80 and 31,961,325.60

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Solution

The fourth proportional to 52,144,711.20, 78,217,066.80 and 31,961,325.60 is: 47,941,988.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,144,711.20 : 78,217,066.80 = 31,961,325.60 : x
  2. Step 2: Convert to fraction form
    52,144,711.20/78,217,066.80 = 31,961,325.60/x
  3. Step 3: Cross multiply
    52,144,711.20x = 78,217,066.80 × 31,961,325.60
  4. Step 4: Simplify right side
    52,144,711.20x = 2,499,921,139,471,750
  5. Step 5: Solve for x
    x = 2,499,921,139,471,750/52,144,711.20
  6. Step 6: Final answer
    x = 47,941,988.40

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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.