Home / 87,684,012.40-131,563,343.40-55,360,735.60

Finding the Fourth Proportional to 87,684,012.40, 131,563,343.40 and 55,360,735.60

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Solution

The fourth proportional to 87,684,012.40, 131,563,343.40 and 55,360,735.60 is: 83,064,669.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,684,012.40 : 131,563,343.40 = 55,360,735.60 : x
  2. Step 2: Convert to fraction form
    87,684,012.40/131,563,343.40 = 55,360,735.60/x
  3. Step 3: Cross multiply
    87,684,012.40x = 131,563,343.40 × 55,360,735.60
  4. Step 4: Simplify right side
    87,684,012.40x = 7,283,443,468,619,406
  5. Step 5: Solve for x
    x = 7,283,443,468,619,406/87,684,012.40
  6. Step 6: Final answer
    x = 83,064,669.02

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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.