Home / 145,522,872.80-218,314,635.60-48,508,719.20

Finding the Fourth Proportional to 145,522,872.80, 218,314,635.60 and 48,508,719.20

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Solution

The fourth proportional to 145,522,872.80, 218,314,635.60 and 48,508,719.20 is: 72,773,187.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,522,872.80 : 218,314,635.60 = 48,508,719.20 : x
  2. Step 2: Convert to fraction form
    145,522,872.80/218,314,635.60 = 48,508,719.20/x
  3. Step 3: Cross multiply
    145,522,872.80x = 218,314,635.60 × 48,508,719.20
  4. Step 4: Simplify right side
    145,522,872.80x = 10,590,163,355,570,724
  5. Step 5: Solve for x
    x = 10,590,163,355,570,724/145,522,872.80
  6. Step 6: Final answer
    x = 72,773,187.83

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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.