Home / 131,667,981-181,703,689.62-75,912,298.44

Finding the Fourth Proportional to 131,667,981, 181,703,689.62 and 75,912,298.44

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Solution

The fourth proportional to 131,667,981, 181,703,689.62 and 75,912,298.44 is: 104,760,053.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,667,981 : 181,703,689.62 = 75,912,298.44 : x
  2. Step 2: Convert to fraction form
    131,667,981/181,703,689.62 = 75,912,298.44/x
  3. Step 3: Cross multiply
    131,667,981x = 181,703,689.62 × 75,912,298.44
  4. Step 4: Simplify right side
    131,667,981x = 13,793,544,714,082,570
  5. Step 5: Solve for x
    x = 13,793,544,714,082,570/131,667,981
  6. Step 6: Final answer
    x = 104,760,053.35

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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.