Home / 84,443,106.64-116,471,401.06-77,496,222.44

Finding the Fourth Proportional to 84,443,106.64, 116,471,401.06 and 77,496,222.44

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Solution

The fourth proportional to 84,443,106.64, 116,471,401.06 and 77,496,222.44 is: 106,889,643.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,443,106.64 : 116,471,401.06 = 77,496,222.44 : x
  2. Step 2: Convert to fraction form
    84,443,106.64/116,471,401.06 = 77,496,222.44/x
  3. Step 3: Cross multiply
    84,443,106.64x = 116,471,401.06 × 77,496,222.44
  4. Step 4: Simplify right side
    84,443,106.64x = 9,026,093,603,813,652
  5. Step 5: Solve for x
    x = 9,026,093,603,813,652/84,443,106.64
  6. Step 6: Final answer
    x = 106,889,643.96

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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.