Home / 49,761,203.40-74,641,805.10-21,039,769.80

Finding the Fourth Proportional to 49,761,203.40, 74,641,805.10 and 21,039,769.80

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Solution

The fourth proportional to 49,761,203.40, 74,641,805.10 and 21,039,769.80 is: 31,559,654.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,761,203.40 : 74,641,805.10 = 21,039,769.80 : x
  2. Step 2: Convert to fraction form
    49,761,203.40/74,641,805.10 = 21,039,769.80/x
  3. Step 3: Cross multiply
    49,761,203.40x = 74,641,805.10 × 21,039,769.80
  4. Step 4: Simplify right side
    49,761,203.40x = 1,570,446,396,760,466
  5. Step 5: Solve for x
    x = 1,570,446,396,760,466/49,761,203.40
  6. Step 6: Final answer
    x = 31,559,654.70

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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.