Home / 88,128,002.80-132,192,004.20-30,685,135.60

Finding the Fourth Proportional to 88,128,002.80, 132,192,004.20 and 30,685,135.60

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Solution

The fourth proportional to 88,128,002.80, 132,192,004.20 and 30,685,135.60 is: 46,027,703.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,128,002.80 : 132,192,004.20 = 30,685,135.60 : x
  2. Step 2: Convert to fraction form
    88,128,002.80/132,192,004.20 = 30,685,135.60/x
  3. Step 3: Cross multiply
    88,128,002.80x = 132,192,004.20 × 30,685,135.60
  4. Step 4: Simplify right side
    88,128,002.80x = 4,056,329,574,112,770
  5. Step 5: Solve for x
    x = 4,056,329,574,112,770/88,128,002.80
  6. Step 6: Final answer
    x = 46,027,703.40

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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.