Home / 266,423,591.32-399,630,854.41-79,677,961.32

Finding the Fourth Proportional to 266,423,591.32, 399,630,854.41 and 79,677,961.32

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Solution

The fourth proportional to 266,423,591.32, 399,630,854.41 and 79,677,961.32 is: 119,515,586.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,423,591.32 : 399,630,854.41 = 79,677,961.32 : x
  2. Step 2: Convert to fraction form
    266,423,591.32/399,630,854.41 = 79,677,961.32/x
  3. Step 3: Cross multiply
    266,423,591.32x = 399,630,854.41 × 79,677,961.32
  4. Step 4: Simplify right side
    266,423,591.32x = 31,841,771,759,958,532
  5. Step 5: Solve for x
    x = 31,841,771,759,958,532/266,423,591.32
  6. Step 6: Final answer
    x = 119,515,586.45

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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.