Home / 65,594,190.40-98,419,279.20-31,497,985.60

Finding the Fourth Proportional to 65,594,190.40, 98,419,279.20 and 31,497,985.60

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Solution

The fourth proportional to 65,594,190.40, 98,419,279.20 and 31,497,985.60 is: 47,260,420.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,594,190.40 : 98,419,279.20 = 31,497,985.60 : x
  2. Step 2: Convert to fraction form
    65,594,190.40/98,419,279.20 = 31,497,985.60/x
  3. Step 3: Cross multiply
    65,594,190.40x = 98,419,279.20 × 31,497,985.60
  4. Step 4: Simplify right side
    65,594,190.40x = 3,100,009,039,003,980
  5. Step 5: Solve for x
    x = 3,100,009,039,003,980/65,594,190.40
  6. Step 6: Final answer
    x = 47,260,420.78

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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.