Home / 228,528,074.55-342,792,111.83-217,380,400.95

Finding the Fourth Proportional to 228,528,074.55, 342,792,111.83 and 217,380,400.95

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Solution

The fourth proportional to 228,528,074.55, 342,792,111.83 and 217,380,400.95 is: 326,070,601.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,528,074.55 : 342,792,111.83 = 217,380,400.95 : x
  2. Step 2: Convert to fraction form
    228,528,074.55/342,792,111.83 = 217,380,400.95/x
  3. Step 3: Cross multiply
    228,528,074.55x = 342,792,111.83 × 217,380,400.95
  4. Step 4: Simplify right side
    228,528,074.55x = 74,516,286,711,015,728
  5. Step 5: Solve for x
    x = 74,516,286,711,015,728/228,528,074.55
  6. Step 6: Final answer
    x = 326,070,601.43

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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.