Home / 131,239,141.47-181,115,194.92-75,484,472.43

Finding the Fourth Proportional to 131,239,141.47, 181,115,194.92 and 75,484,472.43

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Solution

The fourth proportional to 131,239,141.47, 181,115,194.92 and 75,484,472.43 is: 104,171,551.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,239,141.47 : 181,115,194.92 = 75,484,472.43 : x
  2. Step 2: Convert to fraction form
    131,239,141.47/181,115,194.92 = 75,484,472.43/x
  3. Step 3: Cross multiply
    131,239,141.47x = 181,115,194.92 × 75,484,472.43
  4. Step 4: Simplify right side
    131,239,141.47x = 13,671,384,937,592,816
  5. Step 5: Solve for x
    x = 13,671,384,937,592,816/131,239,141.47
  6. Step 6: Final answer
    x = 104,171,551.14

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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.