Home / 77,996,925.70-116,995,388.55-55,322,109.70

Finding the Fourth Proportional to 77,996,925.70, 116,995,388.55 and 55,322,109.70

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Solution

The fourth proportional to 77,996,925.70, 116,995,388.55 and 55,322,109.70 is: 82,983,164.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,996,925.70 : 116,995,388.55 = 55,322,109.70 : x
  2. Step 2: Convert to fraction form
    77,996,925.70/116,995,388.55 = 55,322,109.70/x
  3. Step 3: Cross multiply
    77,996,925.70x = 116,995,388.55 × 55,322,109.70
  4. Step 4: Simplify right side
    77,996,925.70x = 6,472,431,719,757,224
  5. Step 5: Solve for x
    x = 6,472,431,719,757,224/77,996,925.70
  6. Step 6: Final answer
    x = 82,983,164.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.