Home / 131,333,253.27-181,239,929.24-71,794,808.34

Finding the Fourth Proportional to 131,333,253.27, 181,239,929.24 and 71,794,808.34

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Solution

The fourth proportional to 131,333,253.27, 181,239,929.24 and 71,794,808.34 is: 99,076,857.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,333,253.27 : 181,239,929.24 = 71,794,808.34 : x
  2. Step 2: Convert to fraction form
    131,333,253.27/181,239,929.24 = 71,794,808.34/x
  3. Step 3: Cross multiply
    131,333,253.27x = 181,239,929.24 × 71,794,808.34
  4. Step 4: Simplify right side
    131,333,253.27x = 13,012,085,982,981,990
  5. Step 5: Solve for x
    x = 13,012,085,982,981,990/131,333,253.27
  6. Step 6: Final answer
    x = 99,076,857.22

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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.