Home / 131,244,574.82-196,864,328.03-39,190,685.76

Finding the Fourth Proportional to 131,244,574.82, 196,864,328.03 and 39,190,685.76

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Solution

The fourth proportional to 131,244,574.82, 196,864,328.03 and 39,190,685.76 is: 58,785,271.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,244,574.82 : 196,864,328.03 = 39,190,685.76 : x
  2. Step 2: Convert to fraction form
    131,244,574.82/196,864,328.03 = 39,190,685.76/x
  3. Step 3: Cross multiply
    131,244,574.82x = 196,864,328.03 × 39,190,685.76
  4. Step 4: Simplify right side
    131,244,574.82x = 7,715,248,016,981,336
  5. Step 5: Solve for x
    x = 7,715,248,016,981,336/131,244,574.82
  6. Step 6: Final answer
    x = 58,785,271.91

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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.