Home / 47,331,310.80-70,996,966.20-42,229,477.20

Finding the Fourth Proportional to 47,331,310.80, 70,996,966.20 and 42,229,477.20

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Solution

The fourth proportional to 47,331,310.80, 70,996,966.20 and 42,229,477.20 is: 63,344,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,331,310.80 : 70,996,966.20 = 42,229,477.20 : x
  2. Step 2: Convert to fraction form
    47,331,310.80/70,996,966.20 = 42,229,477.20/x
  3. Step 3: Cross multiply
    47,331,310.80x = 70,996,966.20 × 42,229,477.20
  4. Step 4: Simplify right side
    47,331,310.80x = 2,998,164,765,412,071
  5. Step 5: Solve for x
    x = 2,998,164,765,412,071/47,331,310.80
  6. Step 6: Final answer
    x = 63,344,215.80

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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.