Home / 199,671,885-299,469,949.74-97,332,997.32

Finding the Fourth Proportional to 199,671,885, 299,469,949.74 and 97,332,997.32

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Solution

The fourth proportional to 199,671,885, 299,469,949.74 and 97,332,997.32 is: 145,981,031.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,671,885 : 299,469,949.74 = 97,332,997.32 : x
  2. Step 2: Convert to fraction form
    199,671,885/299,469,949.74 = 97,332,997.32/x
  3. Step 3: Cross multiply
    199,671,885x = 299,469,949.74 × 97,332,997.32
  4. Step 4: Simplify right side
    199,671,885x = 29,148,307,815,463,952
  5. Step 5: Solve for x
    x = 29,148,307,815,463,952/199,671,885
  6. Step 6: Final answer
    x = 145,981,031.91

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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.