Home / 215,792,823.20-323,689,234.80-147,264,490.40

Finding the Fourth Proportional to 215,792,823.20, 323,689,234.80 and 147,264,490.40

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Solution

The fourth proportional to 215,792,823.20, 323,689,234.80 and 147,264,490.40 is: 220,896,735.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,792,823.20 : 323,689,234.80 = 147,264,490.40 : x
  2. Step 2: Convert to fraction form
    215,792,823.20/323,689,234.80 = 147,264,490.40/x
  3. Step 3: Cross multiply
    215,792,823.20x = 323,689,234.80 × 147,264,490.40
  4. Step 4: Simplify right side
    215,792,823.20x = 47,667,930,210,787,952
  5. Step 5: Solve for x
    x = 47,667,930,210,787,952/215,792,823.20
  6. Step 6: Final answer
    x = 220,896,735.60

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1.5x scale

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.