Home / 202,443,966.45-279,372,605.58-109,624,474.28

Finding the Fourth Proportional to 202,443,966.45, 279,372,605.58 and 109,624,474.28

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Solution

The fourth proportional to 202,443,966.45, 279,372,605.58 and 109,624,474.28 is: 151,281,737.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,443,966.45 : 279,372,605.58 = 109,624,474.28 : x
  2. Step 2: Convert to fraction form
    202,443,966.45/279,372,605.58 = 109,624,474.28/x
  3. Step 3: Cross multiply
    202,443,966.45x = 279,372,605.58 × 109,624,474.28
  4. Step 4: Simplify right side
    202,443,966.45x = 30,626,075,015,639,724
  5. Step 5: Solve for x
    x = 30,626,075,015,639,724/202,443,966.45
  6. Step 6: Final answer
    x = 151,281,737.62

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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.