Home / 51,457,968.56-77,188,657.80-25,885,043.12

Finding the Fourth Proportional to 51,457,968.56, 77,188,657.80 and 25,885,043.12

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Solution

The fourth proportional to 51,457,968.56, 77,188,657.80 and 25,885,043.12 is: 38,828,422.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,457,968.56 : 77,188,657.80 = 25,885,043.12 : x
  2. Step 2: Convert to fraction form
    51,457,968.56/77,188,657.80 = 25,885,043.12/x
  3. Step 3: Cross multiply
    51,457,968.56x = 77,188,657.80 × 25,885,043.12
  4. Step 4: Simplify right side
    51,457,968.56x = 1,998,031,735,527,924.25
  5. Step 5: Solve for x
    x = 1,998,031,735,527,924.25/51,457,968.56
  6. Step 6: Final answer
    x = 38,828,422.33

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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.