Home / 101,419,658.37-139,957,755.12-56,765,617.17

Finding the Fourth Proportional to 101,419,658.37, 139,957,755.12 and 56,765,617.17

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Solution

The fourth proportional to 101,419,658.37, 139,957,755.12 and 56,765,617.17 is: 78,335,782.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,419,658.37 : 139,957,755.12 = 56,765,617.17 : x
  2. Step 2: Convert to fraction form
    101,419,658.37/139,957,755.12 = 56,765,617.17/x
  3. Step 3: Cross multiply
    101,419,658.37x = 139,957,755.12 × 56,765,617.17
  4. Step 4: Simplify right side
    101,419,658.37x = 7,944,788,347,114,528
  5. Step 5: Solve for x
    x = 7,944,788,347,114,528/101,419,658.37
  6. Step 6: Final answer
    x = 78,335,782.97

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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.