Home / 160,392,227.80-221,341,489.50-87,053,350.36

Finding the Fourth Proportional to 160,392,227.80, 221,341,489.50 and 87,053,350.36

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Solution

The fourth proportional to 160,392,227.80, 221,341,489.50 and 87,053,350.36 is: 120,133,740.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,392,227.80 : 221,341,489.50 = 87,053,350.36 : x
  2. Step 2: Convert to fraction form
    160,392,227.80/221,341,489.50 = 87,053,350.36/x
  3. Step 3: Cross multiply
    160,392,227.80x = 221,341,489.50 × 87,053,350.36
  4. Step 4: Simplify right side
    160,392,227.80x = 19,268,518,234,647,760
  5. Step 5: Solve for x
    x = 19,268,518,234,647,760/160,392,227.80
  6. Step 6: Final answer
    x = 120,133,740.26

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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.