Home / 217,397,107.80-326,095,661.70-148,522,354.20

Finding the Fourth Proportional to 217,397,107.80, 326,095,661.70 and 148,522,354.20

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Solution

The fourth proportional to 217,397,107.80, 326,095,661.70 and 148,522,354.20 is: 222,783,531.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,397,107.80 : 326,095,661.70 = 148,522,354.20 : x
  2. Step 2: Convert to fraction form
    217,397,107.80/326,095,661.70 = 148,522,354.20/x
  3. Step 3: Cross multiply
    217,397,107.80x = 326,095,661.70 × 148,522,354.20
  4. Step 4: Simplify right side
    217,397,107.80x = 48,432,495,370,090,768
  5. Step 5: Solve for x
    x = 48,432,495,370,090,768/217,397,107.80
  6. Step 6: Final answer
    x = 222,783,531.30

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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.