Home / 66,034,884.80-99,052,327.20-20,596,606.40

Finding the Fourth Proportional to 66,034,884.80, 99,052,327.20 and 20,596,606.40

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Solution

The fourth proportional to 66,034,884.80, 99,052,327.20 and 20,596,606.40 is: 30,894,909.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,034,884.80 : 99,052,327.20 = 20,596,606.40 : x
  2. Step 2: Convert to fraction form
    66,034,884.80/99,052,327.20 = 20,596,606.40/x
  3. Step 3: Cross multiply
    66,034,884.80x = 99,052,327.20 × 20,596,606.40
  4. Step 4: Simplify right side
    66,034,884.80x = 2,040,141,796,342,414
  5. Step 5: Solve for x
    x = 2,040,141,796,342,414/66,034,884.80
  6. Step 6: Final answer
    x = 30,894,909.60

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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.