Home / 215,319,334.60-322,979,001.90-100,528,078.60

Finding the Fourth Proportional to 215,319,334.60, 322,979,001.90 and 100,528,078.60

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Solution

The fourth proportional to 215,319,334.60, 322,979,001.90 and 100,528,078.60 is: 150,792,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,319,334.60 : 322,979,001.90 = 100,528,078.60 : x
  2. Step 2: Convert to fraction form
    215,319,334.60/322,979,001.90 = 100,528,078.60/x
  3. Step 3: Cross multiply
    215,319,334.60x = 322,979,001.90 × 100,528,078.60
  4. Step 4: Simplify right side
    215,319,334.60x = 32,468,458,489,152,744
  5. Step 5: Solve for x
    x = 32,468,458,489,152,744/215,319,334.60
  6. Step 6: Final answer
    x = 150,792,117.90

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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.