Home / 215,319,359.60-322,979,039.40-100,528,103.60

Finding the Fourth Proportional to 215,319,359.60, 322,979,039.40 and 100,528,103.60

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Solution

The fourth proportional to 215,319,359.60, 322,979,039.40 and 100,528,103.60 is: 150,792,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,319,359.60 : 322,979,039.40 = 100,528,103.60 : x
  2. Step 2: Convert to fraction form
    215,319,359.60/322,979,039.40 = 100,528,103.60/x
  3. Step 3: Cross multiply
    215,319,359.60x = 322,979,039.40 × 100,528,103.60
  4. Step 4: Simplify right side
    215,319,359.60x = 32,468,470,333,431,676
  5. Step 5: Solve for x
    x = 32,468,470,333,431,676/215,319,359.60
  6. Step 6: Final answer
    x = 150,792,155.40

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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.