Home / 85,524,273.29-128,286,407.67-39,452,511.20

Finding the Fourth Proportional to 85,524,273.29, 128,286,407.67 and 39,452,511.20

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Solution

The fourth proportional to 85,524,273.29, 128,286,407.67 and 39,452,511.20 is: 59,178,765.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,524,273.29 : 128,286,407.67 = 39,452,511.20 : x
  2. Step 2: Convert to fraction form
    85,524,273.29/128,286,407.67 = 39,452,511.20/x
  3. Step 3: Cross multiply
    85,524,273.29x = 128,286,407.67 × 39,452,511.20
  4. Step 4: Simplify right side
    85,524,273.29x = 5,061,220,935,531,895
  5. Step 5: Solve for x
    x = 5,061,220,935,531,895/85,524,273.29
  6. Step 6: Final answer
    x = 59,178,765.76

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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.