Home / 84,973,558.46-126,976,606.10-63,802,890.68

Finding the Fourth Proportional to 84,973,558.46, 126,976,606.10 and 63,802,890.68

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Solution

The fourth proportional to 84,973,558.46, 126,976,606.10 and 63,802,890.68 is: 95,341,123.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,973,558.46 : 126,976,606.10 = 63,802,890.68 : x
  2. Step 2: Convert to fraction form
    84,973,558.46/126,976,606.10 = 63,802,890.68/x
  3. Step 3: Cross multiply
    84,973,558.46x = 126,976,606.10 × 63,802,890.68
  4. Step 4: Simplify right side
    84,973,558.46x = 8,101,474,517,915,721
  5. Step 5: Solve for x
    x = 8,101,474,517,915,721/84,973,558.46
  6. Step 6: Final answer
    x = 95,341,123.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.