Home / 103,704,940,803.34-143,156,883,992.19-64,616,801,111.07

Finding the Fourth Proportional to 103,704,940,803.34, 143,156,883,992.19 and 64,616,801,111.07

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Solution

The fourth proportional to 103,704,940,803.34, 143,156,883,992.19 and 64,616,801,111.07 is: 89,198,642,118.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,704,940,803.34 : 143,156,883,992.19 = 64,616,801,111.07 : x
  2. Step 2: Convert to fraction form
    103,704,940,803.34/143,156,883,992.19 = 64,616,801,111.07/x
  3. Step 3: Cross multiply
    103,704,940,803.34x = 143,156,883,992.19 × 64,616,801,111.07
  4. Step 4: Simplify right side
    103,704,940,803.34x = 9,250,339,900,603,146,174,464
  5. Step 5: Solve for x
    x = 9,250,339,900,603,146,174,464/103,704,940,803.34
  6. Step 6: Final answer
    x = 89,198,642,118.17

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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.