Home / 76,498,103.76-105,564,303.72-41,690,045.04

Finding the Fourth Proportional to 76,498,103.76, 105,564,303.72 and 41,690,045.04

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Solution

The fourth proportional to 76,498,103.76, 105,564,303.72 and 41,690,045.04 is: 57,530,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,498,103.76 : 105,564,303.72 = 41,690,045.04 : x
  2. Step 2: Convert to fraction form
    76,498,103.76/105,564,303.72 = 41,690,045.04/x
  3. Step 3: Cross multiply
    76,498,103.76x = 105,564,303.72 × 41,690,045.04
  4. Step 4: Simplify right side
    76,498,103.76x = 4,400,980,576,703,039.50
  5. Step 5: Solve for x
    x = 4,400,980,576,703,039.50/76,498,103.76
  6. Step 6: Final answer
    x = 57,530,583.90

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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.