Home / 159,431,146.80-239,146,720.20-145,826,257.20

Finding the Fourth Proportional to 159,431,146.80, 239,146,720.20 and 145,826,257.20

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Solution

The fourth proportional to 159,431,146.80, 239,146,720.20 and 145,826,257.20 is: 218,739,385.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,431,146.80 : 239,146,720.20 = 145,826,257.20 : x
  2. Step 2: Convert to fraction form
    159,431,146.80/239,146,720.20 = 145,826,257.20/x
  3. Step 3: Cross multiply
    159,431,146.80x = 239,146,720.20 × 145,826,257.20
  4. Step 4: Simplify right side
    159,431,146.80x = 34,873,871,128,421,632
  5. Step 5: Solve for x
    x = 34,873,871,128,421,632/159,431,146.80
  6. Step 6: Final answer
    x = 218,739,385.80

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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.