Home / 139,262,388.97-192,102,053.92-86,960,632.81

Finding the Fourth Proportional to 139,262,388.97, 192,102,053.92 and 86,960,632.81

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Solution

The fourth proportional to 139,262,388.97, 192,102,053.92 and 86,960,632.81 is: 119,955,691.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,262,388.97 : 192,102,053.92 = 86,960,632.81 : x
  2. Step 2: Convert to fraction form
    139,262,388.97/192,102,053.92 = 86,960,632.81/x
  3. Step 3: Cross multiply
    139,262,388.97x = 192,102,053.92 × 86,960,632.81
  4. Step 4: Simplify right side
    139,262,388.97x = 16,705,316,172,983,940
  5. Step 5: Solve for x
    x = 16,705,316,172,983,940/139,262,388.97
  6. Step 6: Final answer
    x = 119,955,691.53

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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.