Home / 168,503,835.30-252,755,752.95-77,804,571.30

Finding the Fourth Proportional to 168,503,835.30, 252,755,752.95 and 77,804,571.30

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Solution

The fourth proportional to 168,503,835.30, 252,755,752.95 and 77,804,571.30 is: 116,706,856.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,503,835.30 : 252,755,752.95 = 77,804,571.30 : x
  2. Step 2: Convert to fraction form
    168,503,835.30/252,755,752.95 = 77,804,571.30/x
  3. Step 3: Cross multiply
    168,503,835.30x = 252,755,752.95 × 77,804,571.30
  4. Step 4: Simplify right side
    168,503,835.30x = 19,665,553,001,883,460
  5. Step 5: Solve for x
    x = 19,665,553,001,883,460/168,503,835.30
  6. Step 6: Final answer
    x = 116,706,856.95

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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.