Home / 228,528,081.30-342,792,121.95-217,380,407.70

Finding the Fourth Proportional to 228,528,081.30, 342,792,121.95 and 217,380,407.70

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Solution

The fourth proportional to 228,528,081.30, 342,792,121.95 and 217,380,407.70 is: 326,070,611.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,528,081.30 : 342,792,121.95 = 217,380,407.70 : x
  2. Step 2: Convert to fraction form
    228,528,081.30/342,792,121.95 = 217,380,407.70/x
  3. Step 3: Cross multiply
    228,528,081.30x = 342,792,121.95 × 217,380,407.70
  4. Step 4: Simplify right side
    228,528,081.30x = 74,516,291,225,839,120
  5. Step 5: Solve for x
    x = 74,516,291,225,839,120/228,528,081.30
  6. Step 6: Final answer
    x = 326,070,611.55

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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.