Home / 81,177,966.04-121,753,986.90-23,656,782.37

Finding the Fourth Proportional to 81,177,966.04, 121,753,986.90 and 23,656,782.37

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Solution

The fourth proportional to 81,177,966.04, 121,753,986.90 and 23,656,782.37 is: 35,481,396.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,177,966.04 : 121,753,986.90 = 23,656,782.37 : x
  2. Step 2: Convert to fraction form
    81,177,966.04/121,753,986.90 = 23,656,782.37/x
  3. Step 3: Cross multiply
    81,177,966.04x = 121,753,986.90 × 23,656,782.37
  4. Step 4: Simplify right side
    81,177,966.04x = 2,880,307,570,773,131
  5. Step 5: Solve for x
    x = 2,880,307,570,773,131/81,177,966.04
  6. Step 6: Final answer
    x = 35,481,396.14

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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.