Home / 38,068,821.16-57,124,828.44-20,561,161.66

Finding the Fourth Proportional to 38,068,821.16, 57,124,828.44 and 20,561,161.66

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Solution

The fourth proportional to 38,068,821.16, 57,124,828.44 and 20,561,161.66 is: 30,853,406.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,068,821.16 : 57,124,828.44 = 20,561,161.66 : x
  2. Step 2: Convert to fraction form
    38,068,821.16/57,124,828.44 = 20,561,161.66/x
  3. Step 3: Cross multiply
    38,068,821.16x = 57,124,828.44 × 20,561,161.66
  4. Step 4: Simplify right side
    38,068,821.16x = 1,174,552,832,354,605.50
  5. Step 5: Solve for x
    x = 1,174,552,832,354,605.50/38,068,821.16
  6. Step 6: Final answer
    x = 30,853,406.98

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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.