Home / 68,912,223.82-103,270,904.72-38,220,325.10

Finding the Fourth Proportional to 68,912,223.82, 103,270,904.72 and 38,220,325.10

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Solution

The fourth proportional to 68,912,223.82, 103,270,904.72 and 38,220,325.10 is: 57,276,450.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,912,223.82 : 103,270,904.72 = 38,220,325.10 : x
  2. Step 2: Convert to fraction form
    68,912,223.82/103,270,904.72 = 38,220,325.10/x
  3. Step 3: Cross multiply
    68,912,223.82x = 103,270,904.72 × 38,220,325.10
  4. Step 4: Simplify right side
    68,912,223.82x = 3,947,047,551,769,524.50
  5. Step 5: Solve for x
    x = 3,947,047,551,769,524.50/68,912,223.82
  6. Step 6: Final answer
    x = 57,276,450.14

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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.