Home / 55,454,624.92-76,521,490.86-30,670,873.48

Finding the Fourth Proportional to 55,454,624.92, 76,521,490.86 and 30,670,873.48

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Solution

The fourth proportional to 55,454,624.92, 76,521,490.86 and 30,670,873.48 is: 42,322,546.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,454,624.92 : 76,521,490.86 = 30,670,873.48 : x
  2. Step 2: Convert to fraction form
    55,454,624.92/76,521,490.86 = 30,670,873.48/x
  3. Step 3: Cross multiply
    55,454,624.92x = 76,521,490.86 × 30,670,873.48
  4. Step 4: Simplify right side
    55,454,624.92x = 2,346,980,964,668,036.50
  5. Step 5: Solve for x
    x = 2,346,980,964,668,036.50/55,454,624.92
  6. Step 6: Final answer
    x = 42,322,546.91

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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.