Home / 143,488,187.30-215,232,280.95-135,552,001.70

Finding the Fourth Proportional to 143,488,187.30, 215,232,280.95 and 135,552,001.70

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Solution

The fourth proportional to 143,488,187.30, 215,232,280.95 and 135,552,001.70 is: 203,328,002.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,488,187.30 : 215,232,280.95 = 135,552,001.70 : x
  2. Step 2: Convert to fraction form
    143,488,187.30/215,232,280.95 = 135,552,001.70/x
  3. Step 3: Cross multiply
    143,488,187.30x = 215,232,280.95 × 135,552,001.70
  4. Step 4: Simplify right side
    143,488,187.30x = 29,175,166,513,229,272
  5. Step 5: Solve for x
    x = 29,175,166,513,229,272/143,488,187.30
  6. Step 6: Final answer
    x = 203,328,002.55

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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.