Home / 266,423,631.20-399,662,853.26-100,566,840.40

Finding the Fourth Proportional to 266,423,631.20, 399,662,853.26 and 100,566,840.40

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Solution

The fourth proportional to 266,423,631.20, 399,662,853.26 and 100,566,840.40 is: 150,860,605.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,423,631.20 : 399,662,853.26 = 100,566,840.40 : x
  2. Step 2: Convert to fraction form
    266,423,631.20/399,662,853.26 = 100,566,840.40/x
  3. Step 3: Cross multiply
    266,423,631.20x = 399,662,853.26 × 100,566,840.40
  4. Step 4: Simplify right side
    266,423,631.20x = 40,192,830,377,603,784
  5. Step 5: Solve for x
    x = 40,192,830,377,603,784/266,423,631.20
  6. Step 6: Final answer
    x = 150,860,605.71

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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.