Home / 99,670,352.80-149,505,529.20-79,514,960.80

Finding the Fourth Proportional to 99,670,352.80, 149,505,529.20 and 79,514,960.80

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Solution

The fourth proportional to 99,670,352.80, 149,505,529.20 and 79,514,960.80 is: 119,272,441.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,670,352.80 : 149,505,529.20 = 79,514,960.80 : x
  2. Step 2: Convert to fraction form
    99,670,352.80/149,505,529.20 = 79,514,960.80/x
  3. Step 3: Cross multiply
    99,670,352.80x = 149,505,529.20 × 79,514,960.80
  4. Step 4: Simplify right side
    99,670,352.80x = 11,887,926,293,721,254
  5. Step 5: Solve for x
    x = 11,887,926,293,721,254/99,670,352.80
  6. Step 6: Final answer
    x = 119,272,441.20

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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.