Home / 68,912,222.31-103,270,902.48-38,220,323.58

Finding the Fourth Proportional to 68,912,222.31, 103,270,902.48 and 38,220,323.58

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Solution

The fourth proportional to 68,912,222.31, 103,270,902.48 and 38,220,323.58 is: 57,276,447.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,912,222.31 : 103,270,902.48 = 38,220,323.58 : x
  2. Step 2: Convert to fraction form
    68,912,222.31/103,270,902.48 = 38,220,323.58/x
  3. Step 3: Cross multiply
    68,912,222.31x = 103,270,902.48 × 38,220,323.58
  4. Step 4: Simplify right side
    68,912,222.31x = 3,947,047,309,184,224.50
  5. Step 5: Solve for x
    x = 3,947,047,309,184,224.50/68,912,222.31
  6. Step 6: Final answer
    x = 57,276,447.88

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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.