Home / 76,703,863.68-105,851,211.84-41,896,553.76

Finding the Fourth Proportional to 76,703,863.68, 105,851,211.84 and 41,896,553.76

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Solution

The fourth proportional to 76,703,863.68, 105,851,211.84 and 41,896,553.76 is: 57,817,178.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,703,863.68 : 105,851,211.84 = 41,896,553.76 : x
  2. Step 2: Convert to fraction form
    76,703,863.68/105,851,211.84 = 41,896,553.76/x
  3. Step 3: Cross multiply
    76,703,863.68x = 105,851,211.84 × 41,896,553.76
  4. Step 4: Simplify right side
    76,703,863.68x = 4,434,800,987,415,708.50
  5. Step 5: Solve for x
    x = 4,434,800,987,415,708.50/76,703,863.68
  6. Step 6: Final answer
    x = 57,817,178.62

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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.