Home / 81,660,246.30-122,490,369.45-36,222,040.80

Finding the Fourth Proportional to 81,660,246.30, 122,490,369.45 and 36,222,040.80

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Solution

The fourth proportional to 81,660,246.30, 122,490,369.45 and 36,222,040.80 is: 54,333,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,660,246.30 : 122,490,369.45 = 36,222,040.80 : x
  2. Step 2: Convert to fraction form
    81,660,246.30/122,490,369.45 = 36,222,040.80/x
  3. Step 3: Cross multiply
    81,660,246.30x = 122,490,369.45 × 36,222,040.80
  4. Step 4: Simplify right side
    81,660,246.30x = 4,436,851,159,824,973.50
  5. Step 5: Solve for x
    x = 4,436,851,159,824,973.50/81,660,246.30
  6. Step 6: Final answer
    x = 54,333,061.20

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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.