Home / 77,679,781.20-116,519,671.80-26,557,246.80

Finding the Fourth Proportional to 77,679,781.20, 116,519,671.80 and 26,557,246.80

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Solution

The fourth proportional to 77,679,781.20, 116,519,671.80 and 26,557,246.80 is: 39,835,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,679,781.20 : 116,519,671.80 = 26,557,246.80 : x
  2. Step 2: Convert to fraction form
    77,679,781.20/116,519,671.80 = 26,557,246.80/x
  3. Step 3: Cross multiply
    77,679,781.20x = 116,519,671.80 × 26,557,246.80
  4. Step 4: Simplify right side
    77,679,781.20x = 3,094,441,681,047,600
  5. Step 5: Solve for x
    x = 3,094,441,681,047,600/77,679,781.20
  6. Step 6: Final answer
    x = 39,835,870.20

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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.