Home / 189,144,443.20-283,716,664.80-67,988,142.40

Finding the Fourth Proportional to 189,144,443.20, 283,716,664.80 and 67,988,142.40

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Solution

The fourth proportional to 189,144,443.20, 283,716,664.80 and 67,988,142.40 is: 101,982,213.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,144,443.20 : 283,716,664.80 = 67,988,142.40 : x
  2. Step 2: Convert to fraction form
    189,144,443.20/283,716,664.80 = 67,988,142.40/x
  3. Step 3: Cross multiply
    189,144,443.20x = 283,716,664.80 × 67,988,142.40
  4. Step 4: Simplify right side
    189,144,443.20x = 19,289,369,007,675,472
  5. Step 5: Solve for x
    x = 19,289,369,007,675,472/189,144,443.20
  6. Step 6: Final answer
    x = 101,982,213.60

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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.