Home / 207,550,043.39-286,422,464.54-123,925,480.79

Finding the Fourth Proportional to 207,550,043.39, 286,422,464.54 and 123,925,480.79

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Solution

The fourth proportional to 207,550,043.39, 286,422,464.54 and 123,925,480.79 is: 171,019,196.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,550,043.39 : 286,422,464.54 = 123,925,480.79 : x
  2. Step 2: Convert to fraction form
    207,550,043.39/286,422,464.54 = 123,925,480.79/x
  3. Step 3: Cross multiply
    207,550,043.39x = 286,422,464.54 × 123,925,480.79
  4. Step 4: Simplify right side
    207,550,043.39x = 35,495,041,626,053,928
  5. Step 5: Solve for x
    x = 35,495,041,626,053,928/207,550,043.39
  6. Step 6: Final answer
    x = 171,019,196.36

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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.