Home / 154,503,141.60-231,754,712.40-68,197,123.20

Finding the Fourth Proportional to 154,503,141.60, 231,754,712.40 and 68,197,123.20

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Solution

The fourth proportional to 154,503,141.60, 231,754,712.40 and 68,197,123.20 is: 102,295,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,503,141.60 : 231,754,712.40 = 68,197,123.20 : x
  2. Step 2: Convert to fraction form
    154,503,141.60/231,754,712.40 = 68,197,123.20/x
  3. Step 3: Cross multiply
    154,503,141.60x = 231,754,712.40 × 68,197,123.20
  4. Step 4: Simplify right side
    154,503,141.60x = 15,805,004,673,723,368
  5. Step 5: Solve for x
    x = 15,805,004,673,723,368/154,503,141.60
  6. Step 6: Final answer
    x = 102,295,684.80

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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.