Home / 101,341,179.08-139,847,080.38-54,930,436.64

Finding the Fourth Proportional to 101,341,179.08, 139,847,080.38 and 54,930,436.64

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Solution

The fourth proportional to 101,341,179.08, 139,847,080.38 and 54,930,436.64 is: 75,801,971.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,341,179.08 : 139,847,080.38 = 54,930,436.64 : x
  2. Step 2: Convert to fraction form
    101,341,179.08/139,847,080.38 = 54,930,436.64/x
  3. Step 3: Cross multiply
    101,341,179.08x = 139,847,080.38 × 54,930,436.64
  4. Step 4: Simplify right side
    101,341,179.08x = 7,681,861,188,102,577
  5. Step 5: Solve for x
    x = 7,681,861,188,102,577/101,341,179.08
  6. Step 6: Final answer
    x = 75,801,971.69

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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.