Home / 228,528,052.30-342,792,078.45-217,380,378.70

Finding the Fourth Proportional to 228,528,052.30, 342,792,078.45 and 217,380,378.70

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Solution

The fourth proportional to 228,528,052.30, 342,792,078.45 and 217,380,378.70 is: 326,070,568.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,528,052.30 : 342,792,078.45 = 217,380,378.70 : x
  2. Step 2: Convert to fraction form
    228,528,052.30/342,792,078.45 = 217,380,378.70/x
  3. Step 3: Cross multiply
    228,528,052.30x = 342,792,078.45 × 217,380,378.70
  4. Step 4: Simplify right side
    228,528,052.30x = 74,516,271,828,821,104
  5. Step 5: Solve for x
    x = 74,516,271,828,821,104/228,528,052.30
  6. Step 6: Final answer
    x = 326,070,568.05

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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.