Home / 71,615,511.18-107,346,785.31-40,843,831.71

Finding the Fourth Proportional to 71,615,511.18, 107,346,785.31 and 40,843,831.71

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Solution

The fourth proportional to 71,615,511.18, 107,346,785.31 and 40,843,831.71 is: 61,222,128.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,615,511.18 : 107,346,785.31 = 40,843,831.71 : x
  2. Step 2: Convert to fraction form
    71,615,511.18/107,346,785.31 = 40,843,831.71/x
  3. Step 3: Cross multiply
    71,615,511.18x = 107,346,785.31 × 40,843,831.71
  4. Step 4: Simplify right side
    71,615,511.18x = 4,384,454,033,811,140.50
  5. Step 5: Solve for x
    x = 4,384,454,033,811,140.50/71,615,511.18
  6. Step 6: Final answer
    x = 61,222,128.58

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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.