Home / 139,882,330.52-193,040,705.28-77,160,334.49

Finding the Fourth Proportional to 139,882,330.52, 193,040,705.28 and 77,160,334.49

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Solution

The fourth proportional to 139,882,330.52, 193,040,705.28 and 77,160,334.49 is: 106,482,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,882,330.52 : 193,040,705.28 = 77,160,334.49 : x
  2. Step 2: Convert to fraction form
    139,882,330.52/193,040,705.28 = 77,160,334.49/x
  3. Step 3: Cross multiply
    139,882,330.52x = 193,040,705.28 × 77,160,334.49
  4. Step 4: Simplify right side
    139,882,330.52x = 14,895,085,388,625,106
  5. Step 5: Solve for x
    x = 14,895,085,388,625,106/139,882,330.52
  6. Step 6: Final answer
    x = 106,482,965.60

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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.