Home / 140,480,930.25-193,857,574.24-77,753,288.28

Finding the Fourth Proportional to 140,480,930.25, 193,857,574.24 and 77,753,288.28

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Solution

The fourth proportional to 140,480,930.25, 193,857,574.24 and 77,753,288.28 is: 107,296,156.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,480,930.25 : 193,857,574.24 = 77,753,288.28 : x
  2. Step 2: Convert to fraction form
    140,480,930.25/193,857,574.24 = 77,753,288.28/x
  3. Step 3: Cross multiply
    140,480,930.25x = 193,857,574.24 × 77,753,288.28
  4. Step 4: Simplify right side
    140,480,930.25x = 15,073,063,855,144,222
  5. Step 5: Solve for x
    x = 15,073,063,855,144,222/140,480,930.25
  6. Step 6: Final answer
    x = 107,296,156.34

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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.