Home / 84,579,941.80-126,869,912.70-63,056,581.30

Finding the Fourth Proportional to 84,579,941.80, 126,869,912.70 and 63,056,581.30

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Solution

The fourth proportional to 84,579,941.80, 126,869,912.70 and 63,056,581.30 is: 94,584,871.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,579,941.80 : 126,869,912.70 = 63,056,581.30 : x
  2. Step 2: Convert to fraction form
    84,579,941.80/126,869,912.70 = 63,056,581.30/x
  3. Step 3: Cross multiply
    84,579,941.80x = 126,869,912.70 × 63,056,581.30
  4. Step 4: Simplify right side
    84,579,941.80x = 7,999,982,964,691,452
  5. Step 5: Solve for x
    x = 7,999,982,964,691,452/84,579,941.80
  6. Step 6: Final answer
    x = 94,584,871.95

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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.