Home / 90,217,785.44-124,500,611.28-48,964,666.88

Finding the Fourth Proportional to 90,217,785.44, 124,500,611.28 and 48,964,666.88

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Solution

The fourth proportional to 90,217,785.44, 124,500,611.28 and 48,964,666.88 is: 67,571,276.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,217,785.44 : 124,500,611.28 = 48,964,666.88 : x
  2. Step 2: Convert to fraction form
    90,217,785.44/124,500,611.28 = 48,964,666.88/x
  3. Step 3: Cross multiply
    90,217,785.44x = 124,500,611.28 × 48,964,666.88
  4. Step 4: Simplify right side
    90,217,785.44x = 6,096,130,957,681,571
  5. Step 5: Solve for x
    x = 6,096,130,957,681,571/90,217,785.44
  6. Step 6: Final answer
    x = 67,571,276.86

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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.