Home / 163,102,418.40-244,653,627.60-90,543,007.20

Finding the Fourth Proportional to 163,102,418.40, 244,653,627.60 and 90,543,007.20

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Solution

The fourth proportional to 163,102,418.40, 244,653,627.60 and 90,543,007.20 is: 135,814,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,102,418.40 : 244,653,627.60 = 90,543,007.20 : x
  2. Step 2: Convert to fraction form
    163,102,418.40/244,653,627.60 = 90,543,007.20/x
  3. Step 3: Cross multiply
    163,102,418.40x = 244,653,627.60 × 90,543,007.20
  4. Step 4: Simplify right side
    163,102,418.40x = 22,151,675,165,292,920
  5. Step 5: Solve for x
    x = 22,151,675,165,292,920/163,102,418.40
  6. Step 6: Final answer
    x = 135,814,510.80

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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.