Home / 115,918,005.10-173,877,007.65-75,103,336.30

Finding the Fourth Proportional to 115,918,005.10, 173,877,007.65 and 75,103,336.30

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Solution

The fourth proportional to 115,918,005.10, 173,877,007.65 and 75,103,336.30 is: 112,655,004.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,918,005.10 : 173,877,007.65 = 75,103,336.30 : x
  2. Step 2: Convert to fraction form
    115,918,005.10/173,877,007.65 = 75,103,336.30/x
  3. Step 3: Cross multiply
    115,918,005.10x = 173,877,007.65 × 75,103,336.30
  4. Step 4: Simplify right side
    115,918,005.10x = 13,058,743,380,375,622
  5. Step 5: Solve for x
    x = 13,058,743,380,375,622/115,918,005.10
  6. Step 6: Final answer
    x = 112,655,004.45

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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.