Home / 131,195,082.15-196,772,394.29-43,758,125.55

Finding the Fourth Proportional to 131,195,082.15, 196,772,394.29 and 43,758,125.55

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Solution

The fourth proportional to 131,195,082.15, 196,772,394.29 and 43,758,125.55 is: 65,630,441.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,195,082.15 : 196,772,394.29 = 43,758,125.55 : x
  2. Step 2: Convert to fraction form
    131,195,082.15/196,772,394.29 = 43,758,125.55/x
  3. Step 3: Cross multiply
    131,195,082.15x = 196,772,394.29 × 43,758,125.55
  4. Step 4: Simplify right side
    131,195,082.15x = 8,610,391,133,897,132
  5. Step 5: Solve for x
    x = 8,610,391,133,897,132/131,195,082.15
  6. Step 6: Final answer
    x = 65,630,441.27

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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.