Home / 141,320,010.30-211,980,015.45-80,853,834.30

Finding the Fourth Proportional to 141,320,010.30, 211,980,015.45 and 80,853,834.30

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Solution

The fourth proportional to 141,320,010.30, 211,980,015.45 and 80,853,834.30 is: 121,280,751.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,320,010.30 : 211,980,015.45 = 80,853,834.30 : x
  2. Step 2: Convert to fraction form
    141,320,010.30/211,980,015.45 = 80,853,834.30/x
  3. Step 3: Cross multiply
    141,320,010.30x = 211,980,015.45 × 80,853,834.30
  4. Step 4: Simplify right side
    141,320,010.30x = 17,139,397,044,105,738
  5. Step 5: Solve for x
    x = 17,139,397,044,105,738/141,320,010.30
  6. Step 6: Final answer
    x = 121,280,751.45

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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.