Home / 159,455,838.40-239,183,757.60-86,707,470.40

Finding the Fourth Proportional to 159,455,838.40, 239,183,757.60 and 86,707,470.40

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Solution

The fourth proportional to 159,455,838.40, 239,183,757.60 and 86,707,470.40 is: 130,061,205.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,455,838.40 : 239,183,757.60 = 86,707,470.40 : x
  2. Step 2: Convert to fraction form
    159,455,838.40/239,183,757.60 = 86,707,470.40/x
  3. Step 3: Cross multiply
    159,455,838.40x = 239,183,757.60 × 86,707,470.40
  4. Step 4: Simplify right side
    159,455,838.40x = 20,739,018,582,262,776
  5. Step 5: Solve for x
    x = 20,739,018,582,262,776/159,455,838.40
  6. Step 6: Final answer
    x = 130,061,205.60

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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.