Home / 111,204,426.80-166,806,640.20-74,924,721.20

Finding the Fourth Proportional to 111,204,426.80, 166,806,640.20 and 74,924,721.20

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Solution

The fourth proportional to 111,204,426.80, 166,806,640.20 and 74,924,721.20 is: 112,387,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,204,426.80 : 166,806,640.20 = 74,924,721.20 : x
  2. Step 2: Convert to fraction form
    111,204,426.80/166,806,640.20 = 74,924,721.20/x
  3. Step 3: Cross multiply
    111,204,426.80x = 166,806,640.20 × 74,924,721.20
  4. Step 4: Simplify right side
    111,204,426.80x = 12,497,941,011,293,712
  5. Step 5: Solve for x
    x = 12,497,941,011,293,712/111,204,426.80
  6. Step 6: Final answer
    x = 112,387,081.80

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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.