Home / 339,543,926.70-509,315,253.57-106,392,487.74

Finding the Fourth Proportional to 339,543,926.70, 509,315,253.57 and 106,392,487.74

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Solution

The fourth proportional to 339,543,926.70, 509,315,253.57 and 106,392,487.74 is: 159,588,532.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,543,926.70 : 509,315,253.57 = 106,392,487.74 : x
  2. Step 2: Convert to fraction form
    339,543,926.70/509,315,253.57 = 106,392,487.74/x
  3. Step 3: Cross multiply
    339,543,926.70x = 509,315,253.57 × 106,392,487.74
  4. Step 4: Simplify right side
    339,543,926.70x = 54,187,316,871,241,216
  5. Step 5: Solve for x
    x = 54,187,316,871,241,216/339,543,926.70
  6. Step 6: Final answer
    x = 159,588,532.18

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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.