Home / 317,667,903.78-476,502,229.08-99,319,390.32

Finding the Fourth Proportional to 317,667,903.78, 476,502,229.08 and 99,319,390.32

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Solution

The fourth proportional to 317,667,903.78, 476,502,229.08 and 99,319,390.32 is: 148,979,202.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,667,903.78 : 476,502,229.08 = 99,319,390.32 : x
  2. Step 2: Convert to fraction form
    317,667,903.78/476,502,229.08 = 99,319,390.32/x
  3. Step 3: Cross multiply
    317,667,903.78x = 476,502,229.08 × 99,319,390.32
  4. Step 4: Simplify right side
    317,667,903.78x = 47,325,910,878,346,568
  5. Step 5: Solve for x
    x = 47,325,910,878,346,568/317,667,903.78
  6. Step 6: Final answer
    x = 148,979,202.23

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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.