Home / 115,912,215.20-173,868,322.80-75,601,431.20

Finding the Fourth Proportional to 115,912,215.20, 173,868,322.80 and 75,601,431.20

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Solution

The fourth proportional to 115,912,215.20, 173,868,322.80 and 75,601,431.20 is: 113,402,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,912,215.20 : 173,868,322.80 = 75,601,431.20 : x
  2. Step 2: Convert to fraction form
    115,912,215.20/173,868,322.80 = 75,601,431.20/x
  3. Step 3: Cross multiply
    115,912,215.20x = 173,868,322.80 × 75,601,431.20
  4. Step 4: Simplify right side
    115,912,215.20x = 13,144,694,044,023,592
  5. Step 5: Solve for x
    x = 13,144,694,044,023,592/115,912,215.20
  6. Step 6: Final answer
    x = 113,402,146.80

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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.