Home / 140,669,542.56-194,218,762.92-87,826,788.48

Finding the Fourth Proportional to 140,669,542.56, 194,218,762.92 and 87,826,788.48

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Solution

The fourth proportional to 140,669,542.56, 194,218,762.92 and 87,826,788.48 is: 121,260,152.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,669,542.56 : 194,218,762.92 = 87,826,788.48 : x
  2. Step 2: Convert to fraction form
    140,669,542.56/194,218,762.92 = 87,826,788.48/x
  3. Step 3: Cross multiply
    140,669,542.56x = 194,218,762.92 × 87,826,788.48
  4. Step 4: Simplify right side
    140,669,542.56x = 17,057,610,209,822,106
  5. Step 5: Solve for x
    x = 17,057,610,209,822,106/140,669,542.56
  6. Step 6: Final answer
    x = 121,260,152.69

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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.