Home / 99,297,570.42-137,049,520.05-62,145,120.60

Finding the Fourth Proportional to 99,297,570.42, 137,049,520.05 and 62,145,120.60

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Solution

The fourth proportional to 99,297,570.42, 137,049,520.05 and 62,145,120.60 is: 85,772,077.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,297,570.42 : 137,049,520.05 = 62,145,120.60 : x
  2. Step 2: Convert to fraction form
    99,297,570.42/137,049,520.05 = 62,145,120.60/x
  3. Step 3: Cross multiply
    99,297,570.42x = 137,049,520.05 × 62,145,120.60
  4. Step 4: Simplify right side
    99,297,570.42x = 8,516,958,951,679,369
  5. Step 5: Solve for x
    x = 8,516,958,951,679,369/99,297,570.42
  6. Step 6: Final answer
    x = 85,772,077.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.