Home / 228,528,077.80-342,792,116.70-217,380,404.20

Finding the Fourth Proportional to 228,528,077.80, 342,792,116.70 and 217,380,404.20

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Solution

The fourth proportional to 228,528,077.80, 342,792,116.70 and 217,380,404.20 is: 326,070,606.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,528,077.80 : 342,792,116.70 = 217,380,404.20 : x
  2. Step 2: Convert to fraction form
    228,528,077.80/342,792,116.70 = 217,380,404.20/x
  3. Step 3: Cross multiply
    228,528,077.80x = 342,792,116.70 × 217,380,404.20
  4. Step 4: Simplify right side
    228,528,077.80x = 74,516,288,884,819,568
  5. Step 5: Solve for x
    x = 74,516,288,884,819,568/228,528,077.80
  6. Step 6: Final answer
    x = 326,070,606.30

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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.