Home / 220,277,041.38-330,453,204.93-90,813,880.35

Finding the Fourth Proportional to 220,277,041.38, 330,453,204.93 and 90,813,880.35

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Solution

The fourth proportional to 220,277,041.38, 330,453,204.93 and 90,813,880.35 is: 136,236,339.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,277,041.38 : 330,453,204.93 = 90,813,880.35 : x
  2. Step 2: Convert to fraction form
    220,277,041.38/330,453,204.93 = 90,813,880.35/x
  3. Step 3: Cross multiply
    220,277,041.38x = 330,453,204.93 × 90,813,880.35
  4. Step 4: Simplify right side
    220,277,041.38x = 30,009,737,813,787,048
  5. Step 5: Solve for x
    x = 30,009,737,813,787,048/220,277,041.38
  6. Step 6: Final answer
    x = 136,236,339.59

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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.