Home / 76,662,491.28-105,793,684.77-41,855,181.63

Finding the Fourth Proportional to 76,662,491.28, 105,793,684.77 and 41,855,181.63

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Solution

The fourth proportional to 76,662,491.28, 105,793,684.77 and 41,855,181.63 is: 57,759,848.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,662,491.28 : 105,793,684.77 = 41,855,181.63 : x
  2. Step 2: Convert to fraction form
    76,662,491.28/105,793,684.77 = 41,855,181.63/x
  3. Step 3: Cross multiply
    76,662,491.28x = 105,793,684.77 × 41,855,181.63
  4. Step 4: Simplify right side
    76,662,491.28x = 4,428,013,891,355,315
  5. Step 5: Solve for x
    x = 4,428,013,891,355,315/76,662,491.28
  6. Step 6: Final answer
    x = 57,759,848.62

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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.