Home / 228,528,080.80-342,792,121.20-217,380,407.20

Finding the Fourth Proportional to 228,528,080.80, 342,792,121.20 and 217,380,407.20

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Solution

The fourth proportional to 228,528,080.80, 342,792,121.20 and 217,380,407.20 is: 326,070,610.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,528,080.80 : 342,792,121.20 = 217,380,407.20 : x
  2. Step 2: Convert to fraction form
    228,528,080.80/342,792,121.20 = 217,380,407.20/x
  3. Step 3: Cross multiply
    228,528,080.80x = 342,792,121.20 × 217,380,407.20
  4. Step 4: Simplify right side
    228,528,080.80x = 74,516,290,891,407,744
  5. Step 5: Solve for x
    x = 74,516,290,891,407,744/228,528,080.80
  6. Step 6: Final answer
    x = 326,070,610.80

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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.