Home / 115,912,000.10-173,868,000.15-75,097,331.30

Finding the Fourth Proportional to 115,912,000.10, 173,868,000.15 and 75,097,331.30

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Solution

The fourth proportional to 115,912,000.10, 173,868,000.15 and 75,097,331.30 is: 112,645,996.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,912,000.10 : 173,868,000.15 = 75,097,331.30 : x
  2. Step 2: Convert to fraction form
    115,912,000.10/173,868,000.15 = 75,097,331.30/x
  3. Step 3: Cross multiply
    115,912,000.10x = 173,868,000.15 × 75,097,331.30
  4. Step 4: Simplify right side
    115,912,000.10x = 13,057,022,809,733,000
  5. Step 5: Solve for x
    x = 13,057,022,809,733,000/115,912,000.10
  6. Step 6: Final answer
    x = 112,645,996.95

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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.