Home / 266,423,671.53-399,662,913.14-100,566,880.43

Finding the Fourth Proportional to 266,423,671.53, 399,662,913.14 and 100,566,880.43

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Solution

The fourth proportional to 266,423,671.53, 399,662,913.14 and 100,566,880.43 is: 150,860,665.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,423,671.53 : 399,662,913.14 = 100,566,880.43 : x
  2. Step 2: Convert to fraction form
    266,423,671.53/399,662,913.14 = 100,566,880.43/x
  3. Step 3: Cross multiply
    266,423,671.53x = 399,662,913.14 × 100,566,880.43
  4. Step 4: Simplify right side
    266,423,671.53x = 40,192,852,395,932,832
  5. Step 5: Solve for x
    x = 40,192,852,395,932,832/266,423,671.53
  6. Step 6: Final answer
    x = 150,860,665.51

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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.