Home / 143,804,910.90-215,707,366.35-99,801,596.10

Finding the Fourth Proportional to 143,804,910.90, 215,707,366.35 and 99,801,596.10

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Solution

The fourth proportional to 143,804,910.90, 215,707,366.35 and 99,801,596.10 is: 149,702,394.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,804,910.90 : 215,707,366.35 = 99,801,596.10 : x
  2. Step 2: Convert to fraction form
    143,804,910.90/215,707,366.35 = 99,801,596.10/x
  3. Step 3: Cross multiply
    143,804,910.90x = 215,707,366.35 × 99,801,596.10
  4. Step 4: Simplify right side
    143,804,910.90x = 21,527,939,452,257,428
  5. Step 5: Solve for x
    x = 21,527,939,452,257,428/143,804,910.90
  6. Step 6: Final answer
    x = 149,702,394.15

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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.