Home / 345,019,709.84-517,691,176.92-170,047,359.92

Finding the Fourth Proportional to 345,019,709.84, 517,691,176.92 and 170,047,359.92

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Solution

The fourth proportional to 345,019,709.84, 517,691,176.92 and 170,047,359.92 is: 255,150,692.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,019,709.84 : 517,691,176.92 = 170,047,359.92 : x
  2. Step 2: Convert to fraction form
    345,019,709.84/517,691,176.92 = 170,047,359.92/x
  3. Step 3: Cross multiply
    345,019,709.84x = 517,691,176.92 × 170,047,359.92
  4. Step 4: Simplify right side
    345,019,709.84x = 88,032,017,889,123,632
  5. Step 5: Solve for x
    x = 88,032,017,889,123,632/345,019,709.84
  6. Step 6: Final answer
    x = 255,150,692.49

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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.