Home / 271,898,461.20-407,791,013.40-99,456,502.80

Finding the Fourth Proportional to 271,898,461.20, 407,791,013.40 and 99,456,502.80

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Solution

The fourth proportional to 271,898,461.20, 407,791,013.40 and 99,456,502.80 is: 149,164,022.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,898,461.20 : 407,791,013.40 = 99,456,502.80 : x
  2. Step 2: Convert to fraction form
    271,898,461.20/407,791,013.40 = 99,456,502.80/x
  3. Step 3: Cross multiply
    271,898,461.20x = 407,791,013.40 × 99,456,502.80
  4. Step 4: Simplify right side
    271,898,461.20x = 40,557,468,066,031,936
  5. Step 5: Solve for x
    x = 40,557,468,066,031,936/271,898,461.20
  6. Step 6: Final answer
    x = 149,164,022.07

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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.