Home / 299,004,101.10-448,506,151.65-80,654,021.10

Finding the Fourth Proportional to 299,004,101.10, 448,506,151.65 and 80,654,021.10

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Solution

The fourth proportional to 299,004,101.10, 448,506,151.65 and 80,654,021.10 is: 120,981,031.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,004,101.10 : 448,506,151.65 = 80,654,021.10 : x
  2. Step 2: Convert to fraction form
    299,004,101.10/448,506,151.65 = 80,654,021.10/x
  3. Step 3: Cross multiply
    299,004,101.10x = 448,506,151.65 × 80,654,021.10
  4. Step 4: Simplify right side
    299,004,101.10x = 36,173,824,618,658,896
  5. Step 5: Solve for x
    x = 36,173,824,618,658,896/299,004,101.10
  6. Step 6: Final answer
    x = 120,981,031.65

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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.