Home / 291,279,258.65-402,061,169.52-231,849,567.56

Finding the Fourth Proportional to 291,279,258.65, 402,061,169.52 and 231,849,567.56

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Solution

The fourth proportional to 291,279,258.65, 402,061,169.52 and 231,849,567.56 is: 320,028,651.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,279,258.65 : 402,061,169.52 = 231,849,567.56 : x
  2. Step 2: Convert to fraction form
    291,279,258.65/402,061,169.52 = 231,849,567.56/x
  3. Step 3: Cross multiply
    291,279,258.65x = 402,061,169.52 × 231,849,567.56
  4. Step 4: Simplify right side
    291,279,258.65x = 93,217,708,286,885,008
  5. Step 5: Solve for x
    x = 93,217,708,286,885,008/291,279,258.65
  6. Step 6: Final answer
    x = 320,028,651.26

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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.