Home / 282,147,737.92-389,368,692.02-154,993,777.94

Finding the Fourth Proportional to 282,147,737.92, 389,368,692.02 and 154,993,777.94

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Solution

The fourth proportional to 282,147,737.92, 389,368,692.02 and 154,993,777.94 is: 213,894,057.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,147,737.92 : 389,368,692.02 = 154,993,777.94 : x
  2. Step 2: Convert to fraction form
    282,147,737.92/389,368,692.02 = 154,993,777.94/x
  3. Step 3: Cross multiply
    282,147,737.92x = 389,368,692.02 × 154,993,777.94
  4. Step 4: Simplify right side
    282,147,737.92x = 60,349,724,589,097,032
  5. Step 5: Solve for x
    x = 60,349,724,589,097,032/282,147,737.92
  6. Step 6: Final answer
    x = 213,894,057.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.