Home / 267,945,697.20-401,918,545.80-86,192,875.20

Finding the Fourth Proportional to 267,945,697.20, 401,918,545.80 and 86,192,875.20

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Solution

The fourth proportional to 267,945,697.20, 401,918,545.80 and 86,192,875.20 is: 129,289,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,945,697.20 : 401,918,545.80 = 86,192,875.20 : x
  2. Step 2: Convert to fraction form
    267,945,697.20/401,918,545.80 = 86,192,875.20/x
  3. Step 3: Cross multiply
    267,945,697.20x = 401,918,545.80 × 86,192,875.20
  4. Step 4: Simplify right side
    267,945,697.20x = 34,642,515,058,704,888
  5. Step 5: Solve for x
    x = 34,642,515,058,704,888/267,945,697.20
  6. Step 6: Final answer
    x = 129,289,312.80

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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.