Home / 196,021,255.20-294,031,882.80-81,229,999.20

Finding the Fourth Proportional to 196,021,255.20, 294,031,882.80 and 81,229,999.20

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Solution

The fourth proportional to 196,021,255.20, 294,031,882.80 and 81,229,999.20 is: 121,844,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,021,255.20 : 294,031,882.80 = 81,229,999.20 : x
  2. Step 2: Convert to fraction form
    196,021,255.20/294,031,882.80 = 81,229,999.20/x
  3. Step 3: Cross multiply
    196,021,255.20x = 294,031,882.80 × 81,229,999.20
  4. Step 4: Simplify right side
    196,021,255.20x = 23,884,209,604,618,496
  5. Step 5: Solve for x
    x = 23,884,209,604,618,496/196,021,255.20
  6. Step 6: Final answer
    x = 121,844,998.80

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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.