Home / 159,370,672.20-220,033,073.92-130,071,892.48

Finding the Fourth Proportional to 159,370,672.20, 220,033,073.92 and 130,071,892.48

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Solution

The fourth proportional to 159,370,672.20, 220,033,073.92 and 130,071,892.48 is: 179,582,089.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,370,672.20 : 220,033,073.92 = 130,071,892.48 : x
  2. Step 2: Convert to fraction form
    159,370,672.20/220,033,073.92 = 130,071,892.48/x
  3. Step 3: Cross multiply
    159,370,672.20x = 220,033,073.92 × 130,071,892.48
  4. Step 4: Simplify right side
    159,370,672.20x = 28,620,118,332,966,132
  5. Step 5: Solve for x
    x = 28,620,118,332,966,132/159,370,672.20
  6. Step 6: Final answer
    x = 179,582,089.59

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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.