Home / 271,248,926.86-406,873,390.29-79,772,702.86

Finding the Fourth Proportional to 271,248,926.86, 406,873,390.29 and 79,772,702.86

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Solution

The fourth proportional to 271,248,926.86, 406,873,390.29 and 79,772,702.86 is: 119,659,054.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,248,926.86 : 406,873,390.29 = 79,772,702.86 : x
  2. Step 2: Convert to fraction form
    271,248,926.86/406,873,390.29 = 79,772,702.86/x
  3. Step 3: Cross multiply
    271,248,926.86x = 406,873,390.29 × 79,772,702.86
  4. Step 4: Simplify right side
    271,248,926.86x = 32,457,390,065,244,980
  5. Step 5: Solve for x
    x = 32,457,390,065,244,980/271,248,926.86
  6. Step 6: Final answer
    x = 119,659,054.29

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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.