Home / 99,853,330.70-149,779,996.05-82,833,221.90

Finding the Fourth Proportional to 99,853,330.70, 149,779,996.05 and 82,833,221.90

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Solution

The fourth proportional to 99,853,330.70, 149,779,996.05 and 82,833,221.90 is: 124,249,832.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,853,330.70 : 149,779,996.05 = 82,833,221.90 : x
  2. Step 2: Convert to fraction form
    99,853,330.70/149,779,996.05 = 82,833,221.90/x
  3. Step 3: Cross multiply
    99,853,330.70x = 149,779,996.05 × 82,833,221.90
  4. Step 4: Simplify right side
    99,853,330.70x = 12,406,759,648,990,776
  5. Step 5: Solve for x
    x = 12,406,759,648,990,776/99,853,330.70
  6. Step 6: Final answer
    x = 124,249,832.85

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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.