Home / 115,581,029.56-159,500,977.74-63,369,204.04

Finding the Fourth Proportional to 115,581,029.56, 159,500,977.74 and 63,369,204.04

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Solution

The fourth proportional to 115,581,029.56, 159,500,977.74 and 63,369,204.04 is: 87,449,039.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,581,029.56 : 159,500,977.74 = 63,369,204.04 : x
  2. Step 2: Convert to fraction form
    115,581,029.56/159,500,977.74 = 63,369,204.04/x
  3. Step 3: Cross multiply
    115,581,029.56x = 159,500,977.74 × 63,369,204.04
  4. Step 4: Simplify right side
    115,581,029.56x = 10,107,450,002,985,558
  5. Step 5: Solve for x
    x = 10,107,450,002,985,558/115,581,029.56
  6. Step 6: Final answer
    x = 87,449,039.36

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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.