Home / 143,804,555.90-215,706,833.85-99,801,241.10

Finding the Fourth Proportional to 143,804,555.90, 215,706,833.85 and 99,801,241.10

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Solution

The fourth proportional to 143,804,555.90, 215,706,833.85 and 99,801,241.10 is: 149,701,861.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,804,555.90 : 215,706,833.85 = 99,801,241.10 : x
  2. Step 2: Convert to fraction form
    143,804,555.90/215,706,833.85 = 99,801,241.10/x
  3. Step 3: Cross multiply
    143,804,555.90x = 215,706,833.85 × 99,801,241.10
  4. Step 4: Simplify right side
    143,804,555.90x = 21,527,809,731,981,488
  5. Step 5: Solve for x
    x = 21,527,809,731,981,488/143,804,555.90
  6. Step 6: Final answer
    x = 149,701,861.65

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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.