Home / 49,382,427.92-74,073,649.96-20,612,869.28

Finding the Fourth Proportional to 49,382,427.92, 74,073,649.96 and 20,612,869.28

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Solution

The fourth proportional to 49,382,427.92, 74,073,649.96 and 20,612,869.28 is: 30,919,307.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,382,427.92 : 74,073,649.96 = 20,612,869.28 : x
  2. Step 2: Convert to fraction form
    49,382,427.92/74,073,649.96 = 20,612,869.28/x
  3. Step 3: Cross multiply
    49,382,427.92x = 74,073,649.96 × 20,612,869.28
  4. Step 4: Simplify right side
    49,382,427.92x = 1,526,870,463,717,957.25
  5. Step 5: Solve for x
    x = 1,526,870,463,717,957.25/49,382,427.92
  6. Step 6: Final answer
    x = 30,919,307.29

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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.