Home / 85,799,635.38-118,405,947.69-52,311,047.22

Finding the Fourth Proportional to 85,799,635.38, 118,405,947.69 and 52,311,047.22

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Solution

The fourth proportional to 85,799,635.38, 118,405,947.69 and 52,311,047.22 is: 72,190,739.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,799,635.38 : 118,405,947.69 = 52,311,047.22 : x
  2. Step 2: Convert to fraction form
    85,799,635.38/118,405,947.69 = 52,311,047.22/x
  3. Step 3: Cross multiply
    85,799,635.38x = 118,405,947.69 × 52,311,047.22
  4. Step 4: Simplify right side
    85,799,635.38x = 6,193,939,120,740,440
  5. Step 5: Solve for x
    x = 6,193,939,120,740,440/85,799,635.38
  6. Step 6: Final answer
    x = 72,190,739.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.