Home / 255,372,382.20-383,108,339.70-101,992,337.40

Finding the Fourth Proportional to 255,372,382.20, 383,108,339.70 and 101,992,337.40

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Solution

The fourth proportional to 255,372,382.20, 383,108,339.70 and 101,992,337.40 is: 153,008,382.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,372,382.20 : 383,108,339.70 = 101,992,337.40 : x
  2. Step 2: Convert to fraction form
    255,372,382.20/383,108,339.70 = 101,992,337.40/x
  3. Step 3: Cross multiply
    255,372,382.20x = 383,108,339.70 × 101,992,337.40
  4. Step 4: Simplify right side
    255,372,382.20x = 39,074,115,043,436,216
  5. Step 5: Solve for x
    x = 39,074,115,043,436,216/255,372,382.20
  6. Step 6: Final answer
    x = 153,008,382.14

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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.