Home / 143,382,277,839.96-197,868,175,404.56-79,153,529,933.24

Finding the Fourth Proportional to 143,382,277,839.96, 197,868,175,404.56 and 79,153,529,933.24

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Solution

The fourth proportional to 143,382,277,839.96, 197,868,175,404.56 and 79,153,529,933.24 is: 109,232,220,192.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,382,277,839.96 : 197,868,175,404.56 = 79,153,529,933.24 : x
  2. Step 2: Convert to fraction form
    143,382,277,839.96/197,868,175,404.56 = 79,153,529,933.24/x
  3. Step 3: Cross multiply
    143,382,277,839.96x = 197,868,175,404.56 × 79,153,529,933.24
  4. Step 4: Simplify right side
    143,382,277,839.96x = 15,661,964,544,720,423,092,224
  5. Step 5: Solve for x
    x = 15,661,964,544,720,423,092,224/143,382,277,839.96
  6. Step 6: Final answer
    x = 109,232,220,192.53

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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.