Home / 77,987,787.96-107,589,265.02-47,030,754.36

Finding the Fourth Proportional to 77,987,787.96, 107,589,265.02 and 47,030,754.36

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Solution

The fourth proportional to 77,987,787.96, 107,589,265.02 and 47,030,754.36 is: 64,882,008.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,987,787.96 : 107,589,265.02 = 47,030,754.36 : x
  2. Step 2: Convert to fraction form
    77,987,787.96/107,589,265.02 = 47,030,754.36/x
  3. Step 3: Cross multiply
    77,987,787.96x = 107,589,265.02 × 47,030,754.36
  4. Step 4: Simplify right side
    77,987,787.96x = 5,060,004,294,928,560
  5. Step 5: Solve for x
    x = 5,060,004,294,928,560/77,987,787.96
  6. Step 6: Final answer
    x = 64,882,008.16

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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.