Home / 76,440,208.92-105,481,008.51-42,947,065.74

Finding the Fourth Proportional to 76,440,208.92, 105,481,008.51 and 42,947,065.74

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Solution

The fourth proportional to 76,440,208.92, 105,481,008.51 and 42,947,065.74 is: 59,263,310.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,440,208.92 : 105,481,008.51 = 42,947,065.74 : x
  2. Step 2: Convert to fraction form
    76,440,208.92/105,481,008.51 = 42,947,065.74/x
  3. Step 3: Cross multiply
    76,440,208.92x = 105,481,008.51 × 42,947,065.74
  4. Step 4: Simplify right side
    76,440,208.92x = 4,530,099,806,800,470
  5. Step 5: Solve for x
    x = 4,530,099,806,800,470/76,440,208.92
  6. Step 6: Final answer
    x = 59,263,310.12

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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.