Home / 163,138,861.16-225,137,569.20-88,795,831.28

Finding the Fourth Proportional to 163,138,861.16, 225,137,569.20 and 88,795,831.28

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Solution

The fourth proportional to 163,138,861.16, 225,137,569.20 and 88,795,831.28 is: 122,541,480.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,138,861.16 : 225,137,569.20 = 88,795,831.28 : x
  2. Step 2: Convert to fraction form
    163,138,861.16/225,137,569.20 = 88,795,831.28/x
  3. Step 3: Cross multiply
    163,138,861.16x = 225,137,569.20 × 88,795,831.28
  4. Step 4: Simplify right side
    163,138,861.16x = 19,991,277,609,472,524
  5. Step 5: Solve for x
    x = 19,991,277,609,472,524/163,138,861.16
  6. Step 6: Final answer
    x = 122,541,480.72

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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.