Home / 84,372,040.86-116,436,552.39-47,700,424.86

Finding the Fourth Proportional to 84,372,040.86, 116,436,552.39 and 47,700,424.86

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Solution

The fourth proportional to 84,372,040.86, 116,436,552.39 and 47,700,424.86 is: 65,828,359.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,372,040.86 : 116,436,552.39 = 47,700,424.86 : x
  2. Step 2: Convert to fraction form
    84,372,040.86/116,436,552.39 = 47,700,424.86/x
  3. Step 3: Cross multiply
    84,372,040.86x = 116,436,552.39 × 47,700,424.86
  4. Step 4: Simplify right side
    84,372,040.86x = 5,554,073,018,236,648
  5. Step 5: Solve for x
    x = 5,554,073,018,236,648/84,372,040.86
  6. Step 6: Final answer
    x = 65,828,359.27

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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.