Home / 159,726,855.20-239,689,470.52-102,260,368.40

Finding the Fourth Proportional to 159,726,855.20, 239,689,470.52 and 102,260,368.40

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Solution

The fourth proportional to 159,726,855.20, 239,689,470.52 and 102,260,368.40 is: 153,454,054.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,726,855.20 : 239,689,470.52 = 102,260,368.40 : x
  2. Step 2: Convert to fraction form
    159,726,855.20/239,689,470.52 = 102,260,368.40/x
  3. Step 3: Cross multiply
    159,726,855.20x = 239,689,470.52 × 102,260,368.40
  4. Step 4: Simplify right side
    159,726,855.20x = 24,510,733,556,976,144
  5. Step 5: Solve for x
    x = 24,510,733,556,976,144/159,726,855.20
  6. Step 6: Final answer
    x = 153,454,054.59

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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.