Home / 82,573,809.28-113,783,949.48-63,875,401.92

Finding the Fourth Proportional to 82,573,809.28, 113,783,949.48 and 63,875,401.92

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Solution

The fourth proportional to 82,573,809.28, 113,783,949.48 and 63,875,401.92 is: 88,018,169.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,573,809.28 : 113,783,949.48 = 63,875,401.92 : x
  2. Step 2: Convert to fraction form
    82,573,809.28/113,783,949.48 = 63,875,401.92/x
  3. Step 3: Cross multiply
    82,573,809.28x = 113,783,949.48 × 63,875,401.92
  4. Step 4: Simplify right side
    82,573,809.28x = 7,267,995,505,079,975
  5. Step 5: Solve for x
    x = 7,267,995,505,079,975/82,573,809.28
  6. Step 6: Final answer
    x = 88,018,169.06

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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.