Home / 103,704,940,803.09-143,156,883,991.85-64,616,801,110.82

Finding the Fourth Proportional to 103,704,940,803.09, 143,156,883,991.85 and 64,616,801,110.82

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Solution

The fourth proportional to 103,704,940,803.09, 143,156,883,991.85 and 64,616,801,110.82 is: 89,198,642,117.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,704,940,803.09 : 143,156,883,991.85 = 64,616,801,110.82 : x
  2. Step 2: Convert to fraction form
    103,704,940,803.09/143,156,883,991.85 = 64,616,801,110.82/x
  3. Step 3: Cross multiply
    103,704,940,803.09x = 143,156,883,991.85 × 64,616,801,110.82
  4. Step 4: Simplify right side
    103,704,940,803.09x = 9,250,339,900,545,387,462,656
  5. Step 5: Solve for x
    x = 9,250,339,900,545,387,462,656/103,704,940,803.09
  6. Step 6: Final answer
    x = 89,198,642,117.83

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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.