Home / 77,760,568.40-116,584,865.40-43,692,357.20

Finding the Fourth Proportional to 77,760,568.40, 116,584,865.40 and 43,692,357.20

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Solution

The fourth proportional to 77,760,568.40, 116,584,865.40 and 43,692,357.20 is: 65,507,077.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,760,568.40 : 116,584,865.40 = 43,692,357.20 : x
  2. Step 2: Convert to fraction form
    77,760,568.40/116,584,865.40 = 43,692,357.20/x
  3. Step 3: Cross multiply
    77,760,568.40x = 116,584,865.40 × 43,692,357.20
  4. Step 4: Simplify right side
    77,760,568.40x = 5,093,867,583,170,721
  5. Step 5: Solve for x
    x = 5,093,867,583,170,721/77,760,568.40
  6. Step 6: Final answer
    x = 65,507,077.53

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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.