Home / 51,583,936.28-71,185,831.62-28,378,565.24

Finding the Fourth Proportional to 51,583,936.28, 71,185,831.62 and 28,378,565.24

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Solution

The fourth proportional to 51,583,936.28, 71,185,831.62 and 28,378,565.24 is: 39,162,419.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,583,936.28 : 71,185,831.62 = 28,378,565.24 : x
  2. Step 2: Convert to fraction form
    51,583,936.28/71,185,831.62 = 28,378,565.24/x
  3. Step 3: Cross multiply
    51,583,936.28x = 71,185,831.62 × 28,378,565.24
  4. Step 4: Simplify right side
    51,583,936.28x = 2,020,151,766,791,825
  5. Step 5: Solve for x
    x = 2,020,151,766,791,825/51,583,936.28
  6. Step 6: Final answer
    x = 39,162,419.79

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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.