Home / 323,834,947.67-485,638,764.46-90,602,986.03

Finding the Fourth Proportional to 323,834,947.67, 485,638,764.46 and 90,602,986.03

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Solution

The fourth proportional to 323,834,947.67, 485,638,764.46 and 90,602,986.03 is: 135,872,679.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,834,947.67 : 485,638,764.46 = 90,602,986.03 : x
  2. Step 2: Convert to fraction form
    323,834,947.67/485,638,764.46 = 90,602,986.03/x
  3. Step 3: Cross multiply
    323,834,947.67x = 485,638,764.46 × 90,602,986.03
  4. Step 4: Simplify right side
    323,834,947.67x = 44,000,322,190,555,240
  5. Step 5: Solve for x
    x = 44,000,322,190,555,240/323,834,947.67
  6. Step 6: Final answer
    x = 135,872,679.92

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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.