Home / 99,660,443.40-149,490,665.10-35,037,217.80

Finding the Fourth Proportional to 99,660,443.40, 149,490,665.10 and 35,037,217.80

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Solution

The fourth proportional to 99,660,443.40, 149,490,665.10 and 35,037,217.80 is: 52,555,826.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,660,443.40 : 149,490,665.10 = 35,037,217.80 : x
  2. Step 2: Convert to fraction form
    99,660,443.40/149,490,665.10 = 35,037,217.80/x
  3. Step 3: Cross multiply
    99,660,443.40x = 149,490,665.10 × 35,037,217.80
  4. Step 4: Simplify right side
    99,660,443.40x = 5,237,736,992,175,558
  5. Step 5: Solve for x
    x = 5,237,736,992,175,558/99,660,443.40
  6. Step 6: Final answer
    x = 52,555,826.70

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Double scale
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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.