Home / 66,429,500.80-99,644,251.20-55,679,958.40

Finding the Fourth Proportional to 66,429,500.80, 99,644,251.20 and 55,679,958.40

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Solution

The fourth proportional to 66,429,500.80, 99,644,251.20 and 55,679,958.40 is: 83,519,937.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,429,500.80 : 99,644,251.20 = 55,679,958.40 : x
  2. Step 2: Convert to fraction form
    66,429,500.80/99,644,251.20 = 55,679,958.40/x
  3. Step 3: Cross multiply
    66,429,500.80x = 99,644,251.20 × 55,679,958.40
  4. Step 4: Simplify right side
    66,429,500.80x = 5,548,187,761,615,150
  5. Step 5: Solve for x
    x = 5,548,187,761,615,150/66,429,500.80
  6. Step 6: Final answer
    x = 83,519,937.60

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1.5x scale

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.