Home / 159,430,123.80-239,145,185.70-145,825,234.20

Finding the Fourth Proportional to 159,430,123.80, 239,145,185.70 and 145,825,234.20

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Solution

The fourth proportional to 159,430,123.80, 239,145,185.70 and 145,825,234.20 is: 218,737,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,430,123.80 : 239,145,185.70 = 145,825,234.20 : x
  2. Step 2: Convert to fraction form
    159,430,123.80/239,145,185.70 = 145,825,234.20/x
  3. Step 3: Cross multiply
    159,430,123.80x = 239,145,185.70 × 145,825,234.20
  4. Step 4: Simplify right side
    159,430,123.80x = 34,873,402,712,504,988
  5. Step 5: Solve for x
    x = 34,873,402,712,504,988/159,430,123.80
  6. Step 6: Final answer
    x = 218,737,851.30

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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.