Home / 65,287,871.34-90,097,259.48-35,918,573.85

Finding the Fourth Proportional to 65,287,871.34, 90,097,259.48 and 35,918,573.85

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Solution

The fourth proportional to 65,287,871.34, 90,097,259.48 and 35,918,573.85 is: 49,567,630.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,287,871.34 : 90,097,259.48 = 35,918,573.85 : x
  2. Step 2: Convert to fraction form
    65,287,871.34/90,097,259.48 = 35,918,573.85/x
  3. Step 3: Cross multiply
    65,287,871.34x = 90,097,259.48 × 35,918,573.85
  4. Step 4: Simplify right side
    65,287,871.34x = 3,236,165,068,135,399.50
  5. Step 5: Solve for x
    x = 3,236,165,068,135,399.50/65,287,871.34
  6. Step 6: Final answer
    x = 49,567,630.28

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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.