Home / 123,069,229.02-169,887,829.95-76,682,401.38

Finding the Fourth Proportional to 123,069,229.02, 169,887,829.95 and 76,682,401.38

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Solution

The fourth proportional to 123,069,229.02, 169,887,829.95 and 76,682,401.38 is: 105,854,297.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,069,229.02 : 169,887,829.95 = 76,682,401.38 : x
  2. Step 2: Convert to fraction form
    123,069,229.02/169,887,829.95 = 76,682,401.38/x
  3. Step 3: Cross multiply
    123,069,229.02x = 169,887,829.95 × 76,682,401.38
  4. Step 4: Simplify right side
    123,069,229.02x = 13,027,406,765,803,084
  5. Step 5: Solve for x
    x = 13,027,406,765,803,084/123,069,229.02
  6. Step 6: Final answer
    x = 105,854,297.37

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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.