Home / 391,149,025.10-586,723,537.65-161,041,633.10

Finding the Fourth Proportional to 391,149,025.10, 586,723,537.65 and 161,041,633.10

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Solution

The fourth proportional to 391,149,025.10, 586,723,537.65 and 161,041,633.10 is: 241,562,449.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,149,025.10 : 586,723,537.65 = 161,041,633.10 : x
  2. Step 2: Convert to fraction form
    391,149,025.10/586,723,537.65 = 161,041,633.10/x
  3. Step 3: Cross multiply
    391,149,025.10x = 586,723,537.65 × 161,041,633.10
  4. Step 4: Simplify right side
    391,149,025.10x = 94,486,916,681,365,328
  5. Step 5: Solve for x
    x = 94,486,916,681,365,328/391,149,025.10
  6. Step 6: Final answer
    x = 241,562,449.65

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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.