Home / 144,835,603.14-199,874,172.57-78,755,627.94

Finding the Fourth Proportional to 144,835,603.14, 199,874,172.57 and 78,755,627.94

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Solution

The fourth proportional to 144,835,603.14, 199,874,172.57 and 78,755,627.94 is: 108,683,332.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,835,603.14 : 199,874,172.57 = 78,755,627.94 : x
  2. Step 2: Convert to fraction form
    144,835,603.14/199,874,172.57 = 78,755,627.94/x
  3. Step 3: Cross multiply
    144,835,603.14x = 199,874,172.57 × 78,755,627.94
  4. Step 4: Simplify right side
    144,835,603.14x = 15,741,215,969,738,272
  5. Step 5: Solve for x
    x = 15,741,215,969,738,272/144,835,603.14
  6. Step 6: Final answer
    x = 108,683,332.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.