Home / 220,276,967.80-330,453,094.82-90,813,806.77

Finding the Fourth Proportional to 220,276,967.80, 330,453,094.82 and 90,813,806.77

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Solution

The fourth proportional to 220,276,967.80, 330,453,094.82 and 90,813,806.77 is: 136,236,229.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,276,967.80 : 330,453,094.82 = 90,813,806.77 : x
  2. Step 2: Convert to fraction form
    220,276,967.80/330,453,094.82 = 90,813,806.77/x
  3. Step 3: Cross multiply
    220,276,967.80x = 330,453,094.82 × 90,813,806.77
  4. Step 4: Simplify right side
    220,276,967.80x = 30,009,703,498,833,592
  5. Step 5: Solve for x
    x = 30,009,703,498,833,592/220,276,967.80
  6. Step 6: Final answer
    x = 136,236,229.32

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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.