Home / 141,062,402.80-211,593,604.20-85,819,110.85

Finding the Fourth Proportional to 141,062,402.80, 211,593,604.20 and 85,819,110.85

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Solution

The fourth proportional to 141,062,402.80, 211,593,604.20 and 85,819,110.85 is: 128,728,666.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,062,402.80 : 211,593,604.20 = 85,819,110.85 : x
  2. Step 2: Convert to fraction form
    141,062,402.80/211,593,604.20 = 85,819,110.85/x
  3. Step 3: Cross multiply
    141,062,402.80x = 211,593,604.20 × 85,819,110.85
  4. Step 4: Simplify right side
    141,062,402.80x = 18,158,774,973,990,824
  5. Step 5: Solve for x
    x = 18,158,774,973,990,824/141,062,402.80
  6. Step 6: Final answer
    x = 128,728,666.28

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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.