Home / 84,113,787.33-126,169,666.08-21,859,586.42

Finding the Fourth Proportional to 84,113,787.33, 126,169,666.08 and 21,859,586.42

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Solution

The fourth proportional to 84,113,787.33, 126,169,666.08 and 21,859,586.42 is: 32,789,115.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,113,787.33 : 126,169,666.08 = 21,859,586.42 : x
  2. Step 2: Convert to fraction form
    84,113,787.33/126,169,666.08 = 21,859,586.42/x
  3. Step 3: Cross multiply
    84,113,787.33x = 126,169,666.08 × 21,859,586.42
  4. Step 4: Simplify right side
    84,113,787.33x = 2,758,016,718,627,454
  5. Step 5: Solve for x
    x = 2,758,016,718,627,454/84,113,787.33
  6. Step 6: Final answer
    x = 32,789,115.87

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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.