Home / 60,543,037.20-90,814,555.80-60,165,123.60

Finding the Fourth Proportional to 60,543,037.20, 90,814,555.80 and 60,165,123.60

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Solution

The fourth proportional to 60,543,037.20, 90,814,555.80 and 60,165,123.60 is: 90,247,685.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,543,037.20 : 90,814,555.80 = 60,165,123.60 : x
  2. Step 2: Convert to fraction form
    60,543,037.20/90,814,555.80 = 60,165,123.60/x
  3. Step 3: Cross multiply
    60,543,037.20x = 90,814,555.80 × 60,165,123.60
  4. Step 4: Simplify right side
    60,543,037.20x = 5,463,868,974,386,097
  5. Step 5: Solve for x
    x = 5,463,868,974,386,097/60,543,037.20
  6. Step 6: Final answer
    x = 90,247,685.40

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Similar ratio
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1.5x scale

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.