Home / 48,389,611.60-72,584,417.40-18,091,205.20

Finding the Fourth Proportional to 48,389,611.60, 72,584,417.40 and 18,091,205.20

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Solution

The fourth proportional to 48,389,611.60, 72,584,417.40 and 18,091,205.20 is: 27,136,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,389,611.60 : 72,584,417.40 = 18,091,205.20 : x
  2. Step 2: Convert to fraction form
    48,389,611.60/72,584,417.40 = 18,091,205.20/x
  3. Step 3: Cross multiply
    48,389,611.60x = 72,584,417.40 × 18,091,205.20
  4. Step 4: Simplify right side
    48,389,611.60x = 1,313,139,589,505,850.50
  5. Step 5: Solve for x
    x = 1,313,139,589,505,850.50/48,389,611.60
  6. Step 6: Final answer
    x = 27,136,807.80

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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.