Home / 317,667,943.53-476,502,288.71-99,319,430.07

Finding the Fourth Proportional to 317,667,943.53, 476,502,288.71 and 99,319,430.07

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Solution

The fourth proportional to 317,667,943.53, 476,502,288.71 and 99,319,430.07 is: 148,979,261.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,667,943.53 : 476,502,288.71 = 99,319,430.07 : x
  2. Step 2: Convert to fraction form
    317,667,943.53/476,502,288.71 = 99,319,430.07/x
  3. Step 3: Cross multiply
    317,667,943.53x = 476,502,288.71 × 99,319,430.07
  4. Step 4: Simplify right side
    317,667,943.53x = 47,325,935,741,231,192
  5. Step 5: Solve for x
    x = 47,325,935,741,231,192/317,667,943.53
  6. Step 6: Final answer
    x = 148,979,261.85

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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.