Home / 111,673,949.70-154,107,840.69-62,113,257.30

Finding the Fourth Proportional to 111,673,949.70, 154,107,840.69 and 62,113,257.30

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Solution

The fourth proportional to 111,673,949.70, 154,107,840.69 and 62,113,257.30 is: 85,715,065.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,673,949.70 : 154,107,840.69 = 62,113,257.30 : x
  2. Step 2: Convert to fraction form
    111,673,949.70/154,107,840.69 = 62,113,257.30/x
  3. Step 3: Cross multiply
    111,673,949.70x = 154,107,840.69 × 62,113,257.30
  4. Step 4: Simplify right side
    111,673,949.70x = 9,572,139,960,725,378
  5. Step 5: Solve for x
    x = 9,572,139,960,725,378/111,673,949.70
  6. Step 6: Final answer
    x = 85,715,065.93

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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.