Home / 130,668,331.92-180,324,590.96-71,131,340.48

Finding the Fourth Proportional to 130,668,331.92, 180,324,590.96 and 71,131,340.48

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Solution

The fourth proportional to 130,668,331.92, 180,324,590.96 and 71,131,340.48 is: 98,162,498.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,668,331.92 : 180,324,590.96 = 71,131,340.48 : x
  2. Step 2: Convert to fraction form
    130,668,331.92/180,324,590.96 = 71,131,340.48/x
  3. Step 3: Cross multiply
    130,668,331.92x = 180,324,590.96 × 71,131,340.48
  4. Step 4: Simplify right side
    130,668,331.92x = 12,826,729,876,492,492
  5. Step 5: Solve for x
    x = 12,826,729,876,492,492/130,668,331.92
  6. Step 6: Final answer
    x = 98,162,498.04

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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.