Home / 79,571,184.48-119,356,376.76-68,755,576.32

Finding the Fourth Proportional to 79,571,184.48, 119,356,376.76 and 68,755,576.32

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Solution

The fourth proportional to 79,571,184.48, 119,356,376.76 and 68,755,576.32 is: 103,133,018.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,571,184.48 : 119,356,376.76 = 68,755,576.32 : x
  2. Step 2: Convert to fraction form
    79,571,184.48/119,356,376.76 = 68,755,576.32/x
  3. Step 3: Cross multiply
    79,571,184.48x = 119,356,376.76 × 68,755,576.32
  4. Step 4: Simplify right side
    79,571,184.48x = 8,206,416,471,600,854
  5. Step 5: Solve for x
    x = 8,206,416,471,600,854/79,571,184.48
  6. Step 6: Final answer
    x = 103,133,018.88

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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.