Home / 87,732,452.42-121,072,631.52-48,041,650.10

Finding the Fourth Proportional to 87,732,452.42, 121,072,631.52 and 48,041,650.10

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Solution

The fourth proportional to 87,732,452.42, 121,072,631.52 and 48,041,650.10 is: 66,298,488.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,732,452.42 : 121,072,631.52 = 48,041,650.10 : x
  2. Step 2: Convert to fraction form
    87,732,452.42/121,072,631.52 = 48,041,650.10/x
  3. Step 3: Cross multiply
    87,732,452.42x = 121,072,631.52 × 48,041,650.10
  4. Step 4: Simplify right side
    87,732,452.42x = 5,816,529,000,170,071
  5. Step 5: Solve for x
    x = 5,816,529,000,170,071/87,732,452.42
  6. Step 6: Final answer
    x = 66,298,488.64

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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.