Home / 101,711,725.35-140,361,194.21-55,301,978.85

Finding the Fourth Proportional to 101,711,725.35, 140,361,194.21 and 55,301,978.85

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Solution

The fourth proportional to 101,711,725.35, 140,361,194.21 and 55,301,978.85 is: 76,316,194.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,711,725.35 : 140,361,194.21 = 55,301,978.85 : x
  2. Step 2: Convert to fraction form
    101,711,725.35/140,361,194.21 = 55,301,978.85/x
  3. Step 3: Cross multiply
    101,711,725.35x = 140,361,194.21 × 55,301,978.85
  4. Step 4: Simplify right side
    101,711,725.35x = 7,762,251,793,562,163
  5. Step 5: Solve for x
    x = 7,762,251,793,562,163/101,711,725.35
  6. Step 6: Final answer
    x = 76,316,194.29

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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.