Home / 99,832,728.42-137,756,502.90-58,564,563.30

Finding the Fourth Proportional to 99,832,728.42, 137,756,502.90 and 58,564,563.30

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Solution

The fourth proportional to 99,832,728.42, 137,756,502.90 and 58,564,563.30 is: 80,811,669.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,832,728.42 : 137,756,502.90 = 58,564,563.30 : x
  2. Step 2: Convert to fraction form
    99,832,728.42/137,756,502.90 = 58,564,563.30/x
  3. Step 3: Cross multiply
    99,832,728.42x = 137,756,502.90 × 58,564,563.30
  4. Step 4: Simplify right side
    99,832,728.42x = 8,067,649,434,073,684
  5. Step 5: Solve for x
    x = 8,067,649,434,073,684/99,832,728.42
  6. Step 6: Final answer
    x = 80,811,669.30

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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.