Home / 90,664,923.96-136,037,451.78-47,523,812.04

Finding the Fourth Proportional to 90,664,923.96, 136,037,451.78 and 47,523,812.04

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Solution

The fourth proportional to 90,664,923.96, 136,037,451.78 and 47,523,812.04 is: 71,306,719.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,664,923.96 : 136,037,451.78 = 47,523,812.04 : x
  2. Step 2: Convert to fraction form
    90,664,923.96/136,037,451.78 = 47,523,812.04/x
  3. Step 3: Cross multiply
    90,664,923.96x = 136,037,451.78 × 47,523,812.04
  4. Step 4: Simplify right side
    90,664,923.96x = 6,465,018,288,793,283
  5. Step 5: Solve for x
    x = 6,465,018,288,793,283/90,664,923.96
  6. Step 6: Final answer
    x = 71,306,719.36

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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.