Home / 77,844,773.79-107,428,030.38-43,039,711.26

Finding the Fourth Proportional to 77,844,773.79, 107,428,030.38 and 43,039,711.26

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Solution

The fourth proportional to 77,844,773.79, 107,428,030.38 and 43,039,711.26 is: 59,396,041.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,844,773.79 : 107,428,030.38 = 43,039,711.26 : x
  2. Step 2: Convert to fraction form
    77,844,773.79/107,428,030.38 = 43,039,711.26/x
  3. Step 3: Cross multiply
    77,844,773.79x = 107,428,030.38 × 43,039,711.26
  4. Step 4: Simplify right side
    77,844,773.79x = 4,623,671,408,785,708
  5. Step 5: Solve for x
    x = 4,623,671,408,785,708/77,844,773.79
  6. Step 6: Final answer
    x = 59,396,041.43

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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.