Home / 103,486,278.60-155,229,417.90-52,467,942.60

Finding the Fourth Proportional to 103,486,278.60, 155,229,417.90 and 52,467,942.60

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Solution

The fourth proportional to 103,486,278.60, 155,229,417.90 and 52,467,942.60 is: 78,701,913.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,486,278.60 : 155,229,417.90 = 52,467,942.60 : x
  2. Step 2: Convert to fraction form
    103,486,278.60/155,229,417.90 = 52,467,942.60/x
  3. Step 3: Cross multiply
    103,486,278.60x = 155,229,417.90 × 52,467,942.60
  4. Step 4: Simplify right side
    103,486,278.60x = 8,144,568,188,208,613
  5. Step 5: Solve for x
    x = 8,144,568,188,208,613/103,486,278.60
  6. Step 6: Final answer
    x = 78,701,913.90

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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.