Home / 159,760,590.90-239,673,446.19-72,280,088.70

Finding the Fourth Proportional to 159,760,590.90, 239,673,446.19 and 72,280,088.70

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Solution

The fourth proportional to 159,760,590.90, 239,673,446.19 and 72,280,088.70 is: 108,434,864.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,760,590.90 : 239,673,446.19 = 72,280,088.70 : x
  2. Step 2: Convert to fraction form
    159,760,590.90/239,673,446.19 = 72,280,088.70/x
  3. Step 3: Cross multiply
    159,760,590.90x = 239,673,446.19 × 72,280,088.70
  4. Step 4: Simplify right side
    159,760,590.90x = 17,323,617,949,647,878
  5. Step 5: Solve for x
    x = 17,323,617,949,647,878/159,760,590.90
  6. Step 6: Final answer
    x = 108,434,864.02

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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.