Home / 200,121,293.12-300,178,786.08-63,805,758.08

Finding the Fourth Proportional to 200,121,293.12, 300,178,786.08 and 63,805,758.08

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Solution

The fourth proportional to 200,121,293.12, 300,178,786.08 and 63,805,758.08 is: 95,707,631.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,121,293.12 : 300,178,786.08 = 63,805,758.08 : x
  2. Step 2: Convert to fraction form
    200,121,293.12/300,178,786.08 = 63,805,758.08/x
  3. Step 3: Cross multiply
    200,121,293.12x = 300,178,786.08 × 63,805,758.08
  4. Step 4: Simplify right side
    200,121,293.12x = 19,153,135,005,368,548
  5. Step 5: Solve for x
    x = 19,153,135,005,368,548/200,121,293.12
  6. Step 6: Final answer
    x = 95,707,631.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.