Home / 76,741,041.92-105,902,913.12-41,933,731.64

Finding the Fourth Proportional to 76,741,041.92, 105,902,913.12 and 41,933,731.64

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Solution

The fourth proportional to 76,741,041.92, 105,902,913.12 and 41,933,731.64 is: 57,868,700.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,741,041.92 : 105,902,913.12 = 41,933,731.64 : x
  2. Step 2: Convert to fraction form
    76,741,041.92/105,902,913.12 = 41,933,731.64/x
  3. Step 3: Cross multiply
    76,741,041.92x = 105,902,913.12 × 41,933,731.64
  4. Step 4: Simplify right side
    76,741,041.92x = 4,440,904,338,668,315.50
  5. Step 5: Solve for x
    x = 4,440,904,338,668,315.50/76,741,041.92
  6. Step 6: Final answer
    x = 57,868,700.08

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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.