Home / 160,952,653.97-222,120,021.65-90,400,678.05

Finding the Fourth Proportional to 160,952,653.97, 222,120,021.65 and 90,400,678.05

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Solution

The fourth proportional to 160,952,653.97, 222,120,021.65 and 90,400,678.05 is: 124,755,945.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,952,653.97 : 222,120,021.65 = 90,400,678.05 : x
  2. Step 2: Convert to fraction form
    160,952,653.97/222,120,021.65 = 90,400,678.05/x
  3. Step 3: Cross multiply
    160,952,653.97x = 222,120,021.65 × 90,400,678.05
  4. Step 4: Simplify right side
    160,952,653.97x = 20,079,800,565,640,680
  5. Step 5: Solve for x
    x = 20,079,800,565,640,680/160,952,653.97
  6. Step 6: Final answer
    x = 124,755,945.74

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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.