Home / 219,771,723.60-329,704,824.60-66,433,280.40

Finding the Fourth Proportional to 219,771,723.60, 329,704,824.60 and 66,433,280.40

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Solution

The fourth proportional to 219,771,723.60, 329,704,824.60 and 66,433,280.40 is: 99,664,200.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,771,723.60 : 329,704,824.60 = 66,433,280.40 : x
  2. Step 2: Convert to fraction form
    219,771,723.60/329,704,824.60 = 66,433,280.40/x
  3. Step 3: Cross multiply
    219,771,723.60x = 329,704,824.60 × 66,433,280.40
  4. Step 4: Simplify right side
    219,771,723.60x = 21,903,373,061,884,620
  5. Step 5: Solve for x
    x = 21,903,373,061,884,620/219,771,723.60
  6. Step 6: Final answer
    x = 99,664,200.21

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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.