Home / 101,172,529.05-139,559,813.09-60,910,497.77

Finding the Fourth Proportional to 101,172,529.05, 139,559,813.09 and 60,910,497.77

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Solution

The fourth proportional to 101,172,529.05, 139,559,813.09 and 60,910,497.77 is: 84,021,401.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,172,529.05 : 139,559,813.09 = 60,910,497.77 : x
  2. Step 2: Convert to fraction form
    101,172,529.05/139,559,813.09 = 60,910,497.77/x
  3. Step 3: Cross multiply
    101,172,529.05x = 139,559,813.09 × 60,910,497.77
  4. Step 4: Simplify right side
    101,172,529.05x = 8,500,657,682,997,711
  5. Step 5: Solve for x
    x = 8,500,657,682,997,711/101,172,529.05
  6. Step 6: Final answer
    x = 84,021,401.49

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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.