Home / 187,174,928.53-280,787,942.72-77,974,562.05

Finding the Fourth Proportional to 187,174,928.53, 280,787,942.72 and 77,974,562.05

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Solution

The fourth proportional to 187,174,928.53, 280,787,942.72 and 77,974,562.05 is: 116,972,486.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,174,928.53 : 280,787,942.72 = 77,974,562.05 : x
  2. Step 2: Convert to fraction form
    187,174,928.53/280,787,942.72 = 77,974,562.05/x
  3. Step 3: Cross multiply
    187,174,928.53x = 280,787,942.72 × 77,974,562.05
  4. Step 4: Simplify right side
    187,174,928.53x = 21,894,316,862,512,488
  5. Step 5: Solve for x
    x = 21,894,316,862,512,488/187,174,928.53
  6. Step 6: Final answer
    x = 116,972,486.83

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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.