Home / 80,852,008.80-121,278,013.20-74,616,434.40

Finding the Fourth Proportional to 80,852,008.80, 121,278,013.20 and 74,616,434.40

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Solution

The fourth proportional to 80,852,008.80, 121,278,013.20 and 74,616,434.40 is: 111,924,651.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,852,008.80 : 121,278,013.20 = 74,616,434.40 : x
  2. Step 2: Convert to fraction form
    80,852,008.80/121,278,013.20 = 74,616,434.40/x
  3. Step 3: Cross multiply
    80,852,008.80x = 121,278,013.20 × 74,616,434.40
  4. Step 4: Simplify right side
    80,852,008.80x = 9,049,332,916,100,136
  5. Step 5: Solve for x
    x = 9,049,332,916,100,136/80,852,008.80
  6. Step 6: Final answer
    x = 111,924,651.60

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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.