Home / 52,293,742.20-78,440,613.30-49,942,279.80

Finding the Fourth Proportional to 52,293,742.20, 78,440,613.30 and 49,942,279.80

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Solution

The fourth proportional to 52,293,742.20, 78,440,613.30 and 49,942,279.80 is: 74,913,419.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,293,742.20 : 78,440,613.30 = 49,942,279.80 : x
  2. Step 2: Convert to fraction form
    52,293,742.20/78,440,613.30 = 49,942,279.80/x
  3. Step 3: Cross multiply
    52,293,742.20x = 78,440,613.30 × 49,942,279.80
  4. Step 4: Simplify right side
    52,293,742.20x = 3,917,503,057,112,201
  5. Step 5: Solve for x
    x = 3,917,503,057,112,201/52,293,742.20
  6. Step 6: Final answer
    x = 74,913,419.70

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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.