Home / 159,431,141.80-239,146,712.70-145,826,252.20

Finding the Fourth Proportional to 159,431,141.80, 239,146,712.70 and 145,826,252.20

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Solution

The fourth proportional to 159,431,141.80, 239,146,712.70 and 145,826,252.20 is: 218,739,378.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,431,141.80 : 239,146,712.70 = 145,826,252.20 : x
  2. Step 2: Convert to fraction form
    159,431,141.80/239,146,712.70 = 145,826,252.20/x
  3. Step 3: Cross multiply
    159,431,141.80x = 239,146,712.70 × 145,826,252.20
  4. Step 4: Simplify right side
    159,431,141.80x = 34,873,868,838,991,140
  5. Step 5: Solve for x
    x = 34,873,868,838,991,140/159,431,141.80
  6. Step 6: Final answer
    x = 218,739,378.30

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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.