Home / 77,860,227.80-116,801,952.84-28,672,298.01

Finding the Fourth Proportional to 77,860,227.80, 116,801,952.84 and 28,672,298.01

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Solution

The fourth proportional to 77,860,227.80, 116,801,952.84 and 28,672,298.01 is: 43,012,722.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,860,227.80 : 116,801,952.84 = 28,672,298.01 : x
  2. Step 2: Convert to fraction form
    77,860,227.80/116,801,952.84 = 28,672,298.01/x
  3. Step 3: Cross multiply
    77,860,227.80x = 116,801,952.84 × 28,672,298.01
  4. Step 4: Simplify right side
    77,860,227.80x = 3,348,980,399,978,446
  5. Step 5: Solve for x
    x = 3,348,980,399,978,446/77,860,227.80
  6. Step 6: Final answer
    x = 43,012,722.86

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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.