Home / 68,193,119.40-102,289,679.10-40,930,196.10

Finding the Fourth Proportional to 68,193,119.40, 102,289,679.10 and 40,930,196.10

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Solution

The fourth proportional to 68,193,119.40, 102,289,679.10 and 40,930,196.10 is: 61,395,294.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,193,119.40 : 102,289,679.10 = 40,930,196.10 : x
  2. Step 2: Convert to fraction form
    68,193,119.40/102,289,679.10 = 40,930,196.10/x
  3. Step 3: Cross multiply
    68,193,119.40x = 102,289,679.10 × 40,930,196.10
  4. Step 4: Simplify right side
    68,193,119.40x = 4,186,736,624,569,071.50
  5. Step 5: Solve for x
    x = 4,186,736,624,569,071.50/68,193,119.40
  6. Step 6: Final answer
    x = 61,395,294.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.