Home / 266,423,590.32-399,630,852.91-79,677,960.32

Finding the Fourth Proportional to 266,423,590.32, 399,630,852.91 and 79,677,960.32

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Solution

The fourth proportional to 266,423,590.32, 399,630,852.91 and 79,677,960.32 is: 119,515,584.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,423,590.32 : 399,630,852.91 = 79,677,960.32 : x
  2. Step 2: Convert to fraction form
    266,423,590.32/399,630,852.91 = 79,677,960.32/x
  3. Step 3: Cross multiply
    266,423,590.32x = 399,630,852.91 × 79,677,960.32
  4. Step 4: Simplify right side
    266,423,590.32x = 31,841,771,238,613,388
  5. Step 5: Solve for x
    x = 31,841,771,238,613,388/266,423,590.32
  6. Step 6: Final answer
    x = 119,515,584.94

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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.