Home / 40,943,148.30-61,414,722.45-19,419,787.80

Finding the Fourth Proportional to 40,943,148.30, 61,414,722.45 and 19,419,787.80

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Solution

The fourth proportional to 40,943,148.30, 61,414,722.45 and 19,419,787.80 is: 29,129,681.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,943,148.30 : 61,414,722.45 = 19,419,787.80 : x
  2. Step 2: Convert to fraction form
    40,943,148.30/61,414,722.45 = 19,419,787.80/x
  3. Step 3: Cross multiply
    40,943,148.30x = 61,414,722.45 × 19,419,787.80
  4. Step 4: Simplify right side
    40,943,148.30x = 1,192,660,877,774,896.25
  5. Step 5: Solve for x
    x = 1,192,660,877,774,896.25/40,943,148.30
  6. Step 6: Final answer
    x = 29,129,681.70

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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.