Home / 139,262,387.97-192,102,052.54-86,960,631.81

Finding the Fourth Proportional to 139,262,387.97, 192,102,052.54 and 86,960,631.81

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Solution

The fourth proportional to 139,262,387.97, 192,102,052.54 and 86,960,631.81 is: 119,955,690.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,262,387.97 : 192,102,052.54 = 86,960,631.81 : x
  2. Step 2: Convert to fraction form
    139,262,387.97/192,102,052.54 = 86,960,631.81/x
  3. Step 3: Cross multiply
    139,262,387.97x = 192,102,052.54 × 86,960,631.81
  4. Step 4: Simplify right side
    139,262,387.97x = 16,705,315,860,876,216
  5. Step 5: Solve for x
    x = 16,705,315,860,876,216/139,262,387.97
  6. Step 6: Final answer
    x = 119,955,690.15

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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.