Home / 143,712,194.20-215,703,593.70-75,603,765.40

Finding the Fourth Proportional to 143,712,194.20, 215,703,593.70 and 75,603,765.40

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Solution

The fourth proportional to 143,712,194.20, 215,703,593.70 and 75,603,765.40 is: 113,476,827.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,712,194.20 : 215,703,593.70 = 75,603,765.40 : x
  2. Step 2: Convert to fraction form
    143,712,194.20/215,703,593.70 = 75,603,765.40/x
  3. Step 3: Cross multiply
    143,712,194.20x = 215,703,593.70 × 75,603,765.40
  4. Step 4: Simplify right side
    143,712,194.20x = 16,308,003,894,031,718
  5. Step 5: Solve for x
    x = 16,308,003,894,031,718/143,712,194.20
  6. Step 6: Final answer
    x = 113,476,827.66

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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.