Home / 65,185,321.80-97,777,982.70-42,510,505.80

Finding the Fourth Proportional to 65,185,321.80, 97,777,982.70 and 42,510,505.80

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Solution

The fourth proportional to 65,185,321.80, 97,777,982.70 and 42,510,505.80 is: 63,765,758.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,185,321.80 : 97,777,982.70 = 42,510,505.80 : x
  2. Step 2: Convert to fraction form
    65,185,321.80/97,777,982.70 = 42,510,505.80/x
  3. Step 3: Cross multiply
    65,185,321.80x = 97,777,982.70 × 42,510,505.80
  4. Step 4: Simplify right side
    65,185,321.80x = 4,156,591,500,680,649.50
  5. Step 5: Solve for x
    x = 4,156,591,500,680,649.50/65,185,321.80
  6. Step 6: Final answer
    x = 63,765,758.70

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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.