Home / 55,454,639.92-76,521,511.52-30,670,888.48

Finding the Fourth Proportional to 55,454,639.92, 76,521,511.52 and 30,670,888.48

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Solution

The fourth proportional to 55,454,639.92, 76,521,511.52 and 30,670,888.48 is: 42,322,567.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,454,639.92 : 76,521,511.52 = 30,670,888.48 : x
  2. Step 2: Convert to fraction form
    55,454,639.92/76,521,511.52 = 30,670,888.48/x
  3. Step 3: Cross multiply
    55,454,639.92x = 76,521,511.52 × 30,670,888.48
  4. Step 4: Simplify right side
    55,454,639.92x = 2,346,982,746,150,955
  5. Step 5: Solve for x
    x = 2,346,982,746,150,955/55,454,639.92
  6. Step 6: Final answer
    x = 42,322,567.59

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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.