Home / 99,853,316.70-149,779,975.05-82,833,207.90

Finding the Fourth Proportional to 99,853,316.70, 149,779,975.05 and 82,833,207.90

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Solution

The fourth proportional to 99,853,316.70, 149,779,975.05 and 82,833,207.90 is: 124,249,811.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,853,316.70 : 149,779,975.05 = 82,833,207.90 : x
  2. Step 2: Convert to fraction form
    99,853,316.70/149,779,975.05 = 82,833,207.90/x
  3. Step 3: Cross multiply
    99,853,316.70x = 149,779,975.05 × 82,833,207.90
  4. Step 4: Simplify right side
    99,853,316.70x = 12,406,755,812,573,464
  5. Step 5: Solve for x
    x = 12,406,755,812,573,464/99,853,316.70
  6. Step 6: Final answer
    x = 124,249,811.85

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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.