Home / 207,630,759.60-311,463,854.10-54,276,570

Finding the Fourth Proportional to 207,630,759.60, 311,463,854.10 and 54,276,570

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Solution

The fourth proportional to 207,630,759.60, 311,463,854.10 and 54,276,570 is: 81,419,485.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,630,759.60 : 311,463,854.10 = 54,276,570 : x
  2. Step 2: Convert to fraction form
    207,630,759.60/311,463,854.10 = 54,276,570/x
  3. Step 3: Cross multiply
    207,630,759.60x = 311,463,854.10 × 54,276,570
  4. Step 4: Simplify right side
    207,630,759.60x = 16,905,189,679,528,438
  5. Step 5: Solve for x
    x = 16,905,189,679,528,438/207,630,759.60
  6. Step 6: Final answer
    x = 81,419,485.78

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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.