Home / 113,421,940.80-170,132,911.20-107,449,972.80

Finding the Fourth Proportional to 113,421,940.80, 170,132,911.20 and 107,449,972.80

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Solution

The fourth proportional to 113,421,940.80, 170,132,911.20 and 107,449,972.80 is: 161,174,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,421,940.80 : 170,132,911.20 = 107,449,972.80 : x
  2. Step 2: Convert to fraction form
    113,421,940.80/170,132,911.20 = 107,449,972.80/x
  3. Step 3: Cross multiply
    113,421,940.80x = 170,132,911.20 × 107,449,972.80
  4. Step 4: Simplify right side
    113,421,940.80x = 18,280,776,680,824,812
  5. Step 5: Solve for x
    x = 18,280,776,680,824,812/113,421,940.80
  6. Step 6: Final answer
    x = 161,174,959.20

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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.