Home / 187,174,929.53-280,787,944.22-77,974,563.05

Finding the Fourth Proportional to 187,174,929.53, 280,787,944.22 and 77,974,563.05

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Solution

The fourth proportional to 187,174,929.53, 280,787,944.22 and 77,974,563.05 is: 116,972,488.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,174,929.53 : 280,787,944.22 = 77,974,563.05 : x
  2. Step 2: Convert to fraction form
    187,174,929.53/280,787,944.22 = 77,974,563.05/x
  3. Step 3: Cross multiply
    187,174,929.53x = 280,787,944.22 × 77,974,563.05
  4. Step 4: Simplify right side
    187,174,929.53x = 21,894,317,260,262,276
  5. Step 5: Solve for x
    x = 21,894,317,260,262,276/187,174,929.53
  6. Step 6: Final answer
    x = 116,972,488.33

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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.