Home / 38,068,814.16-57,124,817.94-20,561,154.66

Finding the Fourth Proportional to 38,068,814.16, 57,124,817.94 and 20,561,154.66

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Solution

The fourth proportional to 38,068,814.16, 57,124,817.94 and 20,561,154.66 is: 30,853,396.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,068,814.16 : 57,124,817.94 = 20,561,154.66 : x
  2. Step 2: Convert to fraction form
    38,068,814.16/57,124,817.94 = 20,561,154.66/x
  3. Step 3: Cross multiply
    38,068,814.16x = 57,124,817.94 × 20,561,154.66
  4. Step 4: Simplify right side
    38,068,814.16x = 1,174,552,216,588,682.50
  5. Step 5: Solve for x
    x = 1,174,552,216,588,682.50/38,068,814.16
  6. Step 6: Final answer
    x = 30,853,396.47

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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.