Home / 315,987,713.30-473,981,569.95-162,932,705.30

Finding the Fourth Proportional to 315,987,713.30, 473,981,569.95 and 162,932,705.30

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Solution

The fourth proportional to 315,987,713.30, 473,981,569.95 and 162,932,705.30 is: 244,399,057.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,987,713.30 : 473,981,569.95 = 162,932,705.30 : x
  2. Step 2: Convert to fraction form
    315,987,713.30/473,981,569.95 = 162,932,705.30/x
  3. Step 3: Cross multiply
    315,987,713.30x = 473,981,569.95 × 162,932,705.30
  4. Step 4: Simplify right side
    315,987,713.30x = 77,227,099,454,294,688
  5. Step 5: Solve for x
    x = 77,227,099,454,294,688/315,987,713.30
  6. Step 6: Final answer
    x = 244,399,057.95

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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.