Home / 38,068,820.16-57,124,826.94-20,561,160.66

Finding the Fourth Proportional to 38,068,820.16, 57,124,826.94 and 20,561,160.66

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Solution

The fourth proportional to 38,068,820.16, 57,124,826.94 and 20,561,160.66 is: 30,853,405.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,068,820.16 : 57,124,826.94 = 20,561,160.66 : x
  2. Step 2: Convert to fraction form
    38,068,820.16/57,124,826.94 = 20,561,160.66/x
  3. Step 3: Cross multiply
    38,068,820.16x = 57,124,826.94 × 20,561,160.66
  4. Step 4: Simplify right side
    38,068,820.16x = 1,174,552,744,388,036.25
  5. Step 5: Solve for x
    x = 1,174,552,744,388,036.25/38,068,820.16
  6. Step 6: Final answer
    x = 30,853,405.48

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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.