Home / 109,590,042.13-151,176,921.05-67,760,736.20

Finding the Fourth Proportional to 109,590,042.13, 151,176,921.05 and 67,760,736.20

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Solution

The fourth proportional to 109,590,042.13, 151,176,921.05 and 67,760,736.20 is: 93,474,363.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,590,042.13 : 151,176,921.05 = 67,760,736.20 : x
  2. Step 2: Convert to fraction form
    109,590,042.13/151,176,921.05 = 67,760,736.20/x
  3. Step 3: Cross multiply
    109,590,042.13x = 151,176,921.05 × 67,760,736.20
  4. Step 4: Simplify right side
    109,590,042.13x = 10,243,859,466,797,278
  5. Step 5: Solve for x
    x = 10,243,859,466,797,278/109,590,042.13
  6. Step 6: Final answer
    x = 93,474,363.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.