Home / 115,673,670.40-173,389,441.92-38,970,192.64

Finding the Fourth Proportional to 115,673,670.40, 173,389,441.92 and 38,970,192.64

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Solution

The fourth proportional to 115,673,670.40, 173,389,441.92 and 38,970,192.64 is: 58,414,502.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,673,670.40 : 173,389,441.92 = 38,970,192.64 : x
  2. Step 2: Convert to fraction form
    115,673,670.40/173,389,441.92 = 38,970,192.64/x
  3. Step 3: Cross multiply
    115,673,670.40x = 173,389,441.92 × 38,970,192.64
  4. Step 4: Simplify right side
    115,673,670.40x = 6,757,019,953,364,491
  5. Step 5: Solve for x
    x = 6,757,019,953,364,491/115,673,670.40
  6. Step 6: Final answer
    x = 58,414,502.89

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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.