Home / 186,940,746.32-280,160,464.08-145,491,669.86

Finding the Fourth Proportional to 186,940,746.32, 280,160,464.08 and 145,491,669.86

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Solution

The fourth proportional to 186,940,746.32, 280,160,464.08 and 145,491,669.86 is: 218,042,425.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,940,746.32 : 280,160,464.08 = 145,491,669.86 : x
  2. Step 2: Convert to fraction form
    186,940,746.32/280,160,464.08 = 145,491,669.86/x
  3. Step 3: Cross multiply
    186,940,746.32x = 280,160,464.08 × 145,491,669.86
  4. Step 4: Simplify right side
    186,940,746.32x = 40,761,013,747,751,752
  5. Step 5: Solve for x
    x = 40,761,013,747,751,752/186,940,746.32
  6. Step 6: Final answer
    x = 218,042,425.48

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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.