Home / 150,521,223.70-225,755,802.95-39,858,485.45

Finding the Fourth Proportional to 150,521,223.70, 225,755,802.95 and 39,858,485.45

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Solution

The fourth proportional to 150,521,223.70, 225,755,802.95 and 39,858,485.45 is: 59,780,834.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,521,223.70 : 225,755,802.95 = 39,858,485.45 : x
  2. Step 2: Convert to fraction form
    150,521,223.70/225,755,802.95 = 39,858,485.45/x
  3. Step 3: Cross multiply
    150,521,223.70x = 225,755,802.95 × 39,858,485.45
  4. Step 4: Simplify right side
    150,521,223.70x = 8,998,284,387,135,642
  5. Step 5: Solve for x
    x = 8,998,284,387,135,642/150,521,223.70
  6. Step 6: Final answer
    x = 59,780,834.66

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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.