Home / 138,463,847.55-207,706,769.20-46,348,071.85

Finding the Fourth Proportional to 138,463,847.55, 207,706,769.20 and 46,348,071.85

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Solution

The fourth proportional to 138,463,847.55, 207,706,769.20 and 46,348,071.85 is: 69,525,789.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,463,847.55 : 207,706,769.20 = 46,348,071.85 : x
  2. Step 2: Convert to fraction form
    138,463,847.55/207,706,769.20 = 46,348,071.85/x
  3. Step 3: Cross multiply
    138,463,847.55x = 207,706,769.20 × 46,348,071.85
  4. Step 4: Simplify right side
    138,463,847.55x = 9,626,808,262,930,536
  5. Step 5: Solve for x
    x = 9,626,808,262,930,536/138,463,847.55
  6. Step 6: Final answer
    x = 69,525,789.10

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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.