Home / 274,498,905.70-411,748,358.55-92,743,459.30

Finding the Fourth Proportional to 274,498,905.70, 411,748,358.55 and 92,743,459.30

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Solution

The fourth proportional to 274,498,905.70, 411,748,358.55 and 92,743,459.30 is: 139,115,188.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,498,905.70 : 411,748,358.55 = 92,743,459.30 : x
  2. Step 2: Convert to fraction form
    274,498,905.70/411,748,358.55 = 92,743,459.30/x
  3. Step 3: Cross multiply
    274,498,905.70x = 411,748,358.55 × 92,743,459.30
  4. Step 4: Simplify right side
    274,498,905.70x = 38,186,967,133,023,728
  5. Step 5: Solve for x
    x = 38,186,967,133,023,728/274,498,905.70
  6. Step 6: Final answer
    x = 139,115,188.95

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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.