Home / 127,489,847.76-191,273,799.66-65,285,205.31

Finding the Fourth Proportional to 127,489,847.76, 191,273,799.66 and 65,285,205.31

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Solution

The fourth proportional to 127,489,847.76, 191,273,799.66 and 65,285,205.31 is: 97,947,793.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,489,847.76 : 191,273,799.66 = 65,285,205.31 : x
  2. Step 2: Convert to fraction form
    127,489,847.76/191,273,799.66 = 65,285,205.31/x
  3. Step 3: Cross multiply
    127,489,847.76x = 191,273,799.66 × 65,285,205.31
  4. Step 4: Simplify right side
    127,489,847.76x = 12,487,349,281,736,068
  5. Step 5: Solve for x
    x = 12,487,349,281,736,068/127,489,847.76
  6. Step 6: Final answer
    x = 97,947,793.50

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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.