Home / 71,939,371.63-107,862,660.01-28,224,548.11

Finding the Fourth Proportional to 71,939,371.63, 107,862,660.01 and 28,224,548.11

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Solution

The fourth proportional to 71,939,371.63, 107,862,660.01 and 28,224,548.11 is: 42,318,618.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,939,371.63 : 107,862,660.01 = 28,224,548.11 : x
  2. Step 2: Convert to fraction form
    71,939,371.63/107,862,660.01 = 28,224,548.11/x
  3. Step 3: Cross multiply
    71,939,371.63x = 107,862,660.01 × 28,224,548.11
  4. Step 4: Simplify right side
    71,939,371.63x = 3,044,374,836,724,818
  5. Step 5: Solve for x
    x = 3,044,374,836,724,818/71,939,371.63
  6. Step 6: Final answer
    x = 42,318,618.69

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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.