Home / 78,967,219.44-108,972,716.40-43,686,327.76

Finding the Fourth Proportional to 78,967,219.44, 108,972,716.40 and 43,686,327.76

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Solution

The fourth proportional to 78,967,219.44, 108,972,716.40 and 43,686,327.76 is: 60,286,000.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,967,219.44 : 108,972,716.40 = 43,686,327.76 : x
  2. Step 2: Convert to fraction form
    78,967,219.44/108,972,716.40 = 43,686,327.76/x
  3. Step 3: Cross multiply
    78,967,219.44x = 108,972,716.40 × 43,686,327.76
  4. Step 4: Simplify right side
    78,967,219.44x = 4,760,617,805,547,927
  5. Step 5: Solve for x
    x = 4,760,617,805,547,927/78,967,219.44
  6. Step 6: Final answer
    x = 60,286,000.18

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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.