Home / 115,571,734.25-159,488,954.88-63,359,648.90

Finding the Fourth Proportional to 115,571,734.25, 159,488,954.88 and 63,359,648.90

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Solution

The fourth proportional to 115,571,734.25, 159,488,954.88 and 63,359,648.90 is: 87,436,294.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,571,734.25 : 159,488,954.88 = 63,359,648.90 : x
  2. Step 2: Convert to fraction form
    115,571,734.25/159,488,954.88 = 63,359,648.90/x
  3. Step 3: Cross multiply
    115,571,734.25x = 159,488,954.88 × 63,359,648.90
  4. Step 4: Simplify right side
    115,571,734.25x = 10,105,164,184,187,782
  5. Step 5: Solve for x
    x = 10,105,164,184,187,782/115,571,734.25
  6. Step 6: Final answer
    x = 87,436,294.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.