Home / 172,640,933.60-258,961,400.40-44,990,117.60

Finding the Fourth Proportional to 172,640,933.60, 258,961,400.40 and 44,990,117.60

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Solution

The fourth proportional to 172,640,933.60, 258,961,400.40 and 44,990,117.60 is: 67,485,176.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,640,933.60 : 258,961,400.40 = 44,990,117.60 : x
  2. Step 2: Convert to fraction form
    172,640,933.60/258,961,400.40 = 44,990,117.60/x
  3. Step 3: Cross multiply
    172,640,933.60x = 258,961,400.40 × 44,990,117.60
  4. Step 4: Simplify right side
    172,640,933.60x = 11,650,703,857,856,688
  5. Step 5: Solve for x
    x = 11,650,703,857,856,688/172,640,933.60
  6. Step 6: Final answer
    x = 67,485,176.40

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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.