Home / 179,640,217.16-247,906,728.26-105,354,356.70

Finding the Fourth Proportional to 179,640,217.16, 247,906,728.26 and 105,354,356.70

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Solution

The fourth proportional to 179,640,217.16, 247,906,728.26 and 105,354,356.70 is: 145,390,905.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,640,217.16 : 247,906,728.26 = 105,354,356.70 : x
  2. Step 2: Convert to fraction form
    179,640,217.16/247,906,728.26 = 105,354,356.70/x
  3. Step 3: Cross multiply
    179,640,217.16x = 247,906,728.26 × 105,354,356.70
  4. Step 4: Simplify right side
    179,640,217.16x = 26,118,053,878,231,968
  5. Step 5: Solve for x
    x = 26,118,053,878,231,968/179,640,217.16
  6. Step 6: Final answer
    x = 145,390,905.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.