Home / 403,385,849.98-605,254,773.24-141,258,538.13

Finding the Fourth Proportional to 403,385,849.98, 605,254,773.24 and 141,258,538.13

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Solution

The fourth proportional to 403,385,849.98, 605,254,773.24 and 141,258,538.13 is: 211,949,438.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,385,849.98 : 605,254,773.24 = 141,258,538.13 : x
  2. Step 2: Convert to fraction form
    403,385,849.98/605,254,773.24 = 141,258,538.13/x
  3. Step 3: Cross multiply
    403,385,849.98x = 605,254,773.24 × 141,258,538.13
  4. Step 4: Simplify right side
    403,385,849.98x = 85,497,404,464,087,040
  5. Step 5: Solve for x
    x = 85,497,404,464,087,040/403,385,849.98
  6. Step 6: Final answer
    x = 211,949,438.65

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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.