Home / 217,261,907.19-299,812,305.35-123,182,383.19

Finding the Fourth Proportional to 217,261,907.19, 299,812,305.35 and 123,182,383.19

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Solution

The fourth proportional to 217,261,907.19, 299,812,305.35 and 123,182,383.19 is: 169,986,514.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,261,907.19 : 299,812,305.35 = 123,182,383.19 : x
  2. Step 2: Convert to fraction form
    217,261,907.19/299,812,305.35 = 123,182,383.19/x
  3. Step 3: Cross multiply
    217,261,907.19x = 299,812,305.35 × 123,182,383.19
  4. Step 4: Simplify right side
    217,261,907.19x = 36,931,594,281,509,888
  5. Step 5: Solve for x
    x = 36,931,594,281,509,888/217,261,907.19
  6. Step 6: Final answer
    x = 169,986,514.25

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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.