Home / 90,414,539.50-135,621,945.33-41,865,938.86

Finding the Fourth Proportional to 90,414,539.50, 135,621,945.33 and 41,865,938.86

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Solution

The fourth proportional to 90,414,539.50, 135,621,945.33 and 41,865,938.86 is: 62,798,971.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,414,539.50 : 135,621,945.33 = 41,865,938.86 : x
  2. Step 2: Convert to fraction form
    90,414,539.50/135,621,945.33 = 41,865,938.86/x
  3. Step 3: Cross multiply
    90,414,539.50x = 135,621,945.33 × 41,865,938.86
  4. Step 4: Simplify right side
    90,414,539.50x = 5,677,940,071,260,043
  5. Step 5: Solve for x
    x = 5,677,940,071,260,043/90,414,539.50
  6. Step 6: Final answer
    x = 62,798,971.30

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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.