Home / 103,661,493.70-143,050,123.29-57,250,748.74

Finding the Fourth Proportional to 103,661,493.70, 143,050,123.29 and 57,250,748.74

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Solution

The fourth proportional to 103,661,493.70, 143,050,123.29 and 57,250,748.74 is: 79,004,521.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,661,493.70 : 143,050,123.29 = 57,250,748.74 : x
  2. Step 2: Convert to fraction form
    103,661,493.70/143,050,123.29 = 57,250,748.74/x
  3. Step 3: Cross multiply
    103,661,493.70x = 143,050,123.29 × 57,250,748.74
  4. Step 4: Simplify right side
    103,661,493.70x = 8,189,726,665,701,812
  5. Step 5: Solve for x
    x = 8,189,726,665,701,812/103,661,493.70
  6. Step 6: Final answer
    x = 79,004,521.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.