Home / 84,461,453.39-126,645,994.90-67,065,755.21

Finding the Fourth Proportional to 84,461,453.39, 126,645,994.90 and 67,065,755.21

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Solution

The fourth proportional to 84,461,453.39, 126,645,994.90 and 67,065,755.21 is: 100,561,959.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,461,453.39 : 126,645,994.90 = 67,065,755.21 : x
  2. Step 2: Convert to fraction form
    84,461,453.39/126,645,994.90 = 67,065,755.21/x
  3. Step 3: Cross multiply
    84,461,453.39x = 126,645,994.90 × 67,065,755.21
  4. Step 4: Simplify right side
    84,461,453.39x = 8,493,609,292,572,215
  5. Step 5: Solve for x
    x = 8,493,609,292,572,215/84,461,453.39
  6. Step 6: Final answer
    x = 100,561,959.94

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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.