Home / 66,447,642.20-99,690,125.70-32,370,099.80

Finding the Fourth Proportional to 66,447,642.20, 99,690,125.70 and 32,370,099.80

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Solution

The fourth proportional to 66,447,642.20, 99,690,125.70 and 32,370,099.80 is: 48,564,241.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,447,642.20 : 99,690,125.70 = 32,370,099.80 : x
  2. Step 2: Convert to fraction form
    66,447,642.20/99,690,125.70 = 32,370,099.80/x
  3. Step 3: Cross multiply
    66,447,642.20x = 99,690,125.70 × 32,370,099.80
  4. Step 4: Simplify right side
    66,447,642.20x = 3,226,979,317,983,545
  5. Step 5: Solve for x
    x = 3,226,979,317,983,545/66,447,642.20
  6. Step 6: Final answer
    x = 48,564,241.12

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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.