Home / 88,128,145.80-132,192,218.70-53,640,030.60

Finding the Fourth Proportional to 88,128,145.80, 132,192,218.70 and 53,640,030.60

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Solution

The fourth proportional to 88,128,145.80, 132,192,218.70 and 53,640,030.60 is: 80,460,045.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,128,145.80 : 132,192,218.70 = 53,640,030.60 : x
  2. Step 2: Convert to fraction form
    88,128,145.80/132,192,218.70 = 53,640,030.60/x
  3. Step 3: Cross multiply
    88,128,145.80x = 132,192,218.70 × 53,640,030.60
  4. Step 4: Simplify right side
    88,128,145.80x = 7,090,794,656,149,893
  5. Step 5: Solve for x
    x = 7,090,794,656,149,893/88,128,145.80
  6. Step 6: Final answer
    x = 80,460,045.90

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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.