Home / 127,698,917.92-176,224,506.20-68,961,579.76

Finding the Fourth Proportional to 127,698,917.92, 176,224,506.20 and 68,961,579.76

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Solution

The fourth proportional to 127,698,917.92, 176,224,506.20 and 68,961,579.76 is: 95,166,979.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,698,917.92 : 176,224,506.20 = 68,961,579.76 : x
  2. Step 2: Convert to fraction form
    127,698,917.92/176,224,506.20 = 68,961,579.76/x
  3. Step 3: Cross multiply
    127,698,917.92x = 176,224,506.20 × 68,961,579.76
  4. Step 4: Simplify right side
    127,698,917.92x = 12,152,720,339,977,914
  5. Step 5: Solve for x
    x = 12,152,720,339,977,914/127,698,917.92
  6. Step 6: Final answer
    x = 95,166,979.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.