Home / 141,320,002.80-211,980,004.20-80,853,826.80

Finding the Fourth Proportional to 141,320,002.80, 211,980,004.20 and 80,853,826.80

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Solution

The fourth proportional to 141,320,002.80, 211,980,004.20 and 80,853,826.80 is: 121,280,740.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,320,002.80 : 211,980,004.20 = 80,853,826.80 : x
  2. Step 2: Convert to fraction form
    141,320,002.80/211,980,004.20 = 80,853,826.80/x
  3. Step 3: Cross multiply
    141,320,002.80x = 211,980,004.20 × 80,853,826.80
  4. Step 4: Simplify right side
    141,320,002.80x = 17,139,394,544,650,070
  5. Step 5: Solve for x
    x = 17,139,394,544,650,070/141,320,002.80
  6. Step 6: Final answer
    x = 121,280,740.20

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1.5x scale

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.