Home / 287,357,748.75-431,040,355.61-95,881,524.75

Finding the Fourth Proportional to 287,357,748.75, 431,040,355.61 and 95,881,524.75

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Solution

The fourth proportional to 287,357,748.75, 431,040,355.61 and 95,881,524.75 is: 143,823,532.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,357,748.75 : 431,040,355.61 = 95,881,524.75 : x
  2. Step 2: Convert to fraction form
    287,357,748.75/431,040,355.61 = 95,881,524.75/x
  3. Step 3: Cross multiply
    287,357,748.75x = 431,040,355.61 × 95,881,524.75
  4. Step 4: Simplify right side
    287,357,748.75x = 41,328,806,524,189,608
  5. Step 5: Solve for x
    x = 41,328,806,524,189,608/287,357,748.75
  6. Step 6: Final answer
    x = 143,823,532.53

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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.