Home / 84,563,386.80-126,845,080.20-71,425,057.20

Finding the Fourth Proportional to 84,563,386.80, 126,845,080.20 and 71,425,057.20

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Solution

The fourth proportional to 84,563,386.80, 126,845,080.20 and 71,425,057.20 is: 107,137,585.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,563,386.80 : 126,845,080.20 = 71,425,057.20 : x
  2. Step 2: Convert to fraction form
    84,563,386.80/126,845,080.20 = 71,425,057.20/x
  3. Step 3: Cross multiply
    84,563,386.80x = 126,845,080.20 × 71,425,057.20
  4. Step 4: Simplify right side
    84,563,386.80x = 9,059,917,108,823,588
  5. Step 5: Solve for x
    x = 9,059,917,108,823,588/84,563,386.80
  6. Step 6: Final answer
    x = 107,137,585.80

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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.