Home / 365,215,957.47-547,481,008.85-122,709,266.91

Finding the Fourth Proportional to 365,215,957.47, 547,481,008.85 and 122,709,266.91

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Solution

The fourth proportional to 365,215,957.47, 547,481,008.85 and 122,709,266.91 is: 183,948,679.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,215,957.47 : 547,481,008.85 = 122,709,266.91 : x
  2. Step 2: Convert to fraction form
    365,215,957.47/547,481,008.85 = 122,709,266.91/x
  3. Step 3: Cross multiply
    365,215,957.47x = 547,481,008.85 × 122,709,266.91
  4. Step 4: Simplify right side
    365,215,957.47x = 67,180,993,242,517,176
  5. Step 5: Solve for x
    x = 67,180,993,242,517,176/365,215,957.47
  6. Step 6: Final answer
    x = 183,948,679.87

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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.