Home / 279,581,751.28-419,281,353.16-92,785,517.28

Finding the Fourth Proportional to 279,581,751.28, 419,281,353.16 and 92,785,517.28

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Solution

The fourth proportional to 279,581,751.28, 419,281,353.16 and 92,785,517.28 is: 139,147,984.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,581,751.28 : 419,281,353.16 = 92,785,517.28 : x
  2. Step 2: Convert to fraction form
    279,581,751.28/419,281,353.16 = 92,785,517.28/x
  3. Step 3: Cross multiply
    279,581,751.28x = 419,281,353.16 × 92,785,517.28
  4. Step 4: Simplify right side
    279,581,751.28x = 38,903,237,238,808,968
  5. Step 5: Solve for x
    x = 38,903,237,238,808,968/279,581,751.28
  6. Step 6: Final answer
    x = 139,147,984.66

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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.