Home / 143,804,587.65-215,706,881.48-99,801,272.85

Finding the Fourth Proportional to 143,804,587.65, 215,706,881.48 and 99,801,272.85

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Solution

The fourth proportional to 143,804,587.65, 215,706,881.48 and 99,801,272.85 is: 149,701,909.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,804,587.65 : 215,706,881.48 = 99,801,272.85 : x
  2. Step 2: Convert to fraction form
    143,804,587.65/215,706,881.48 = 99,801,272.85/x
  3. Step 3: Cross multiply
    143,804,587.65x = 215,706,881.48 × 99,801,272.85
  4. Step 4: Simplify right side
    143,804,587.65x = 21,527,821,333,709,084
  5. Step 5: Solve for x
    x = 21,527,821,333,709,084/143,804,587.65
  6. Step 6: Final answer
    x = 149,701,909.28

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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.