Home / 145,522,116.30-218,313,500.85-48,507,962.70

Finding the Fourth Proportional to 145,522,116.30, 218,313,500.85 and 48,507,962.70

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Solution

The fourth proportional to 145,522,116.30, 218,313,500.85 and 48,507,962.70 is: 72,772,052.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,522,116.30 : 218,313,500.85 = 48,507,962.70 : x
  2. Step 2: Convert to fraction form
    145,522,116.30/218,313,500.85 = 48,507,962.70/x
  3. Step 3: Cross multiply
    145,522,116.30x = 218,313,500.85 × 48,507,962.70
  4. Step 4: Simplify right side
    145,522,116.30x = 10,589,943,156,138,218
  5. Step 5: Solve for x
    x = 10,589,943,156,138,218/145,522,116.30
  6. Step 6: Final answer
    x = 72,772,052.97

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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.