Home / 220,185,570.80-330,278,356.20-90,726,543.20

Finding the Fourth Proportional to 220,185,570.80, 330,278,356.20 and 90,726,543.20

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Solution

The fourth proportional to 220,185,570.80, 330,278,356.20 and 90,726,543.20 is: 136,089,814.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,185,570.80 : 330,278,356.20 = 90,726,543.20 : x
  2. Step 2: Convert to fraction form
    220,185,570.80/330,278,356.20 = 90,726,543.20/x
  3. Step 3: Cross multiply
    220,185,570.80x = 330,278,356.20 × 90,726,543.20
  4. Step 4: Simplify right side
    220,185,570.80x = 29,965,013,551,804,288
  5. Step 5: Solve for x
    x = 29,965,013,551,804,288/220,185,570.80
  6. Step 6: Final answer
    x = 136,089,814.80

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1.5x scale

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.