Home / 99,446,566.80-148,917,907.80-79,291,174.80

Finding the Fourth Proportional to 99,446,566.80, 148,917,907.80 and 79,291,174.80

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Solution

The fourth proportional to 99,446,566.80, 148,917,907.80 and 79,291,174.80 is: 118,735,882.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,446,566.80 : 148,917,907.80 = 79,291,174.80 : x
  2. Step 2: Convert to fraction form
    99,446,566.80/148,917,907.80 = 79,291,174.80/x
  3. Step 3: Cross multiply
    99,446,566.80x = 148,917,907.80 × 79,291,174.80
  4. Step 4: Simplify right side
    99,446,566.80x = 11,807,875,858,220,084
  5. Step 5: Solve for x
    x = 11,807,875,858,220,084/99,446,566.80
  6. Step 6: Final answer
    x = 118,735,882.38

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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.