Home / 90,664,878.96-136,037,384.28-47,523,767.04

Finding the Fourth Proportional to 90,664,878.96, 136,037,384.28 and 47,523,767.04

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Solution

The fourth proportional to 90,664,878.96, 136,037,384.28 and 47,523,767.04 is: 71,306,651.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,664,878.96 : 136,037,384.28 = 47,523,767.04 : x
  2. Step 2: Convert to fraction form
    90,664,878.96/136,037,384.28 = 47,523,767.04/x
  3. Step 3: Cross multiply
    90,664,878.96x = 136,037,384.28 × 47,523,767.04
  4. Step 4: Simplify right side
    90,664,878.96x = 6,465,008,959,253,678
  5. Step 5: Solve for x
    x = 6,465,008,959,253,678/90,664,878.96
  6. Step 6: Final answer
    x = 71,306,651.85

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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.