Home / 51,416,581.54-77,130,724.73-18,642,584.78

Finding the Fourth Proportional to 51,416,581.54, 77,130,724.73 and 18,642,584.78

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Solution

The fourth proportional to 51,416,581.54, 77,130,724.73 and 18,642,584.78 is: 27,965,999.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,416,581.54 : 77,130,724.73 = 18,642,584.78 : x
  2. Step 2: Convert to fraction form
    51,416,581.54/77,130,724.73 = 18,642,584.78/x
  3. Step 3: Cross multiply
    51,416,581.54x = 77,130,724.73 × 18,642,584.78
  4. Step 4: Simplify right side
    51,416,581.54x = 1,437,916,074,921,867.75
  5. Step 5: Solve for x
    x = 1,437,916,074,921,867.75/51,416,581.54
  6. Step 6: Final answer
    x = 27,965,999.14

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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.