Home / 77,327,823.30-115,989,110.55-19,820,658.30

Finding the Fourth Proportional to 77,327,823.30, 115,989,110.55 and 19,820,658.30

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Solution

The fourth proportional to 77,327,823.30, 115,989,110.55 and 19,820,658.30 is: 29,730,314.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,327,823.30 : 115,989,110.55 = 19,820,658.30 : x
  2. Step 2: Convert to fraction form
    77,327,823.30/115,989,110.55 = 19,820,658.30/x
  3. Step 3: Cross multiply
    77,327,823.30x = 115,989,110.55 × 19,820,658.30
  4. Step 4: Simplify right side
    77,327,823.30x = 2,298,980,526,732,475
  5. Step 5: Solve for x
    x = 2,298,980,526,732,475/77,327,823.30
  6. Step 6: Final answer
    x = 29,730,314.76

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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.