Home / 111,168,007.20-166,752,010.80-39,371,680.80

Finding the Fourth Proportional to 111,168,007.20, 166,752,010.80 and 39,371,680.80

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Solution

The fourth proportional to 111,168,007.20, 166,752,010.80 and 39,371,680.80 is: 59,057,521.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,168,007.20 : 166,752,010.80 = 39,371,680.80 : x
  2. Step 2: Convert to fraction form
    111,168,007.20/166,752,010.80 = 39,371,680.80/x
  3. Step 3: Cross multiply
    111,168,007.20x = 166,752,010.80 × 39,371,680.80
  4. Step 4: Simplify right side
    111,168,007.20x = 6,565,306,941,975,753
  5. Step 5: Solve for x
    x = 6,565,306,941,975,753/111,168,007.20
  6. Step 6: Final answer
    x = 59,057,521.20

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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.