Home / 88,128,218.80-132,192,328.20-53,640,103.60

Finding the Fourth Proportional to 88,128,218.80, 132,192,328.20 and 53,640,103.60

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Solution

The fourth proportional to 88,128,218.80, 132,192,328.20 and 53,640,103.60 is: 80,460,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,128,218.80 : 132,192,328.20 = 53,640,103.60 : x
  2. Step 2: Convert to fraction form
    88,128,218.80/132,192,328.20 = 53,640,103.60/x
  3. Step 3: Cross multiply
    88,128,218.80x = 132,192,328.20 × 53,640,103.60
  4. Step 4: Simplify right side
    88,128,218.80x = 7,090,810,179,773,202
  5. Step 5: Solve for x
    x = 7,090,810,179,773,202/88,128,218.80
  6. Step 6: Final answer
    x = 80,460,155.40

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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.