Home / 127,568,155.80-191,380,140.70-41,315,281.52

Finding the Fourth Proportional to 127,568,155.80, 191,380,140.70 and 41,315,281.52

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Solution

The fourth proportional to 127,568,155.80, 191,380,140.70 and 41,315,281.52 is: 61,981,960.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,568,155.80 : 191,380,140.70 = 41,315,281.52 : x
  2. Step 2: Convert to fraction form
    127,568,155.80/191,380,140.70 = 41,315,281.52/x
  3. Step 3: Cross multiply
    127,568,155.80x = 191,380,140.70 × 41,315,281.52
  4. Step 4: Simplify right side
    127,568,155.80x = 7,906,924,390,357,710
  5. Step 5: Solve for x
    x = 7,906,924,390,357,710/127,568,155.80
  6. Step 6: Final answer
    x = 61,981,960.47

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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.