Home / 160,886,925.32-222,028,974.79-91,275,240.20

Finding the Fourth Proportional to 160,886,925.32, 222,028,974.79 and 91,275,240.20

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Solution

The fourth proportional to 160,886,925.32, 222,028,974.79 and 91,275,240.20 is: 125,962,678.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,886,925.32 : 222,028,974.79 = 91,275,240.20 : x
  2. Step 2: Convert to fraction form
    160,886,925.32/222,028,974.79 = 91,275,240.20/x
  3. Step 3: Cross multiply
    160,886,925.32x = 222,028,974.79 × 91,275,240.20
  4. Step 4: Simplify right side
    160,886,925.32x = 20,265,748,003,978,660
  5. Step 5: Solve for x
    x = 20,265,748,003,978,660/160,886,925.32
  6. Step 6: Final answer
    x = 125,962,678.22

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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.