Home / 145,588,005.10-218,382,007.65-113,063,815.90

Finding the Fourth Proportional to 145,588,005.10, 218,382,007.65 and 113,063,815.90

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Solution

The fourth proportional to 145,588,005.10, 218,382,007.65 and 113,063,815.90 is: 169,595,723.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,588,005.10 : 218,382,007.65 = 113,063,815.90 : x
  2. Step 2: Convert to fraction form
    145,588,005.10/218,382,007.65 = 113,063,815.90/x
  3. Step 3: Cross multiply
    145,588,005.10x = 218,382,007.65 × 113,063,815.90
  4. Step 4: Simplify right side
    145,588,005.10x = 24,691,103,108,811,992
  5. Step 5: Solve for x
    x = 24,691,103,108,811,992/145,588,005.10
  6. Step 6: Final answer
    x = 169,595,723.85

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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.