Home / 317,667,941.28-476,502,285.33-99,319,427.82

Finding the Fourth Proportional to 317,667,941.28, 476,502,285.33 and 99,319,427.82

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Solution

The fourth proportional to 317,667,941.28, 476,502,285.33 and 99,319,427.82 is: 148,979,258.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,667,941.28 : 476,502,285.33 = 99,319,427.82 : x
  2. Step 2: Convert to fraction form
    317,667,941.28/476,502,285.33 = 99,319,427.82/x
  3. Step 3: Cross multiply
    317,667,941.28x = 476,502,285.33 × 99,319,427.82
  4. Step 4: Simplify right side
    317,667,941.28x = 47,325,934,333,897,976
  5. Step 5: Solve for x
    x = 47,325,934,333,897,976/317,667,941.28
  6. Step 6: Final answer
    x = 148,979,258.48

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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.