Home / 84,563,215.80-126,844,823.70-71,424,886.20

Finding the Fourth Proportional to 84,563,215.80, 126,844,823.70 and 71,424,886.20

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Solution

The fourth proportional to 84,563,215.80, 126,844,823.70 and 71,424,886.20 is: 107,137,329.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,563,215.80 : 126,844,823.70 = 71,424,886.20 : x
  2. Step 2: Convert to fraction form
    84,563,215.80/126,844,823.70 = 71,424,886.20/x
  3. Step 3: Cross multiply
    84,563,215.80x = 126,844,823.70 × 71,424,886.20
  4. Step 4: Simplify right side
    84,563,215.80x = 9,059,877,097,831,564
  5. Step 5: Solve for x
    x = 9,059,877,097,831,564/84,563,215.80
  6. Step 6: Final answer
    x = 107,137,329.30

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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.