Home / 99,361,130.22-137,122,877.43-55,310,920.47

Finding the Fourth Proportional to 99,361,130.22, 137,122,877.43 and 55,310,920.47

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Solution

The fourth proportional to 99,361,130.22, 137,122,877.43 and 55,310,920.47 is: 76,331,585.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,361,130.22 : 137,122,877.43 = 55,310,920.47 : x
  2. Step 2: Convert to fraction form
    99,361,130.22/137,122,877.43 = 55,310,920.47/x
  3. Step 3: Cross multiply
    99,361,130.22x = 137,122,877.43 × 55,310,920.47
  4. Step 4: Simplify right side
    99,361,130.22x = 7,584,392,568,148,288
  5. Step 5: Solve for x
    x = 7,584,392,568,148,288/99,361,130.22
  6. Step 6: Final answer
    x = 76,331,585.11

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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.