Home / 90,127,634.42-124,376,168.58-48,874,515.86

Finding the Fourth Proportional to 90,127,634.42, 124,376,168.58 and 48,874,515.86

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Solution

The fourth proportional to 90,127,634.42, 124,376,168.58 and 48,874,515.86 is: 67,446,849.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,127,634.42 : 124,376,168.58 = 48,874,515.86 : x
  2. Step 2: Convert to fraction form
    90,127,634.42/124,376,168.58 = 48,874,515.86/x
  3. Step 3: Cross multiply
    90,127,634.42x = 124,376,168.58 × 48,874,515.86
  4. Step 4: Simplify right side
    90,127,634.42x = 6,078,825,023,869,244
  5. Step 5: Solve for x
    x = 6,078,825,023,869,244/90,127,634.42
  6. Step 6: Final answer
    x = 67,446,849.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.