Home / 160,952,653.47-222,120,020.96-90,400,677.55

Finding the Fourth Proportional to 160,952,653.47, 222,120,020.96 and 90,400,677.55

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Solution

The fourth proportional to 160,952,653.47, 222,120,020.96 and 90,400,677.55 is: 124,755,945.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,952,653.47 : 222,120,020.96 = 90,400,677.55 : x
  2. Step 2: Convert to fraction form
    160,952,653.47/222,120,020.96 = 90,400,677.55/x
  3. Step 3: Cross multiply
    160,952,653.47x = 222,120,020.96 × 90,400,677.55
  4. Step 4: Simplify right side
    160,952,653.47x = 20,079,800,392,204,200
  5. Step 5: Solve for x
    x = 20,079,800,392,204,200/160,952,653.47
  6. Step 6: Final answer
    x = 124,755,945.05

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1.5x scale

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.