Home / 76,774,360.92-115,161,541.83-25,656,379.73

Finding the Fourth Proportional to 76,774,360.92, 115,161,541.83 and 25,656,379.73

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Solution

The fourth proportional to 76,774,360.92, 115,161,541.83 and 25,656,379.73 is: 38,484,569.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,774,360.92 : 115,161,541.83 = 25,656,379.73 : x
  2. Step 2: Convert to fraction form
    76,774,360.92/115,161,541.83 = 25,656,379.73/x
  3. Step 3: Cross multiply
    76,774,360.92x = 115,161,541.83 × 25,656,379.73
  4. Step 4: Simplify right side
    76,774,360.92x = 2,954,628,247,338,807.50
  5. Step 5: Solve for x
    x = 2,954,628,247,338,807.50/76,774,360.92
  6. Step 6: Final answer
    x = 38,484,569.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.