Home / 49,310,909.70-73,966,364.55-20,577,666.30

Finding the Fourth Proportional to 49,310,909.70, 73,966,364.55 and 20,577,666.30

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Solution

The fourth proportional to 49,310,909.70, 73,966,364.55 and 20,577,666.30 is: 30,866,499.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,310,909.70 : 73,966,364.55 = 20,577,666.30 : x
  2. Step 2: Convert to fraction form
    49,310,909.70/73,966,364.55 = 20,577,666.30/x
  3. Step 3: Cross multiply
    49,310,909.70x = 73,966,364.55 × 20,577,666.30
  4. Step 4: Simplify right side
    49,310,909.70x = 1,522,055,167,134,049.75
  5. Step 5: Solve for x
    x = 1,522,055,167,134,049.75/49,310,909.70
  6. Step 6: Final answer
    x = 30,866,499.45

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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.