Home / 102,308,383.72-153,460,359.83-28,530,195.11

Finding the Fourth Proportional to 102,308,383.72, 153,460,359.83 and 28,530,195.11

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Solution

The fourth proportional to 102,308,383.72, 153,460,359.83 and 28,530,195.11 is: 42,794,674.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,308,383.72 : 153,460,359.83 = 28,530,195.11 : x
  2. Step 2: Convert to fraction form
    102,308,383.72/153,460,359.83 = 28,530,195.11/x
  3. Step 3: Cross multiply
    102,308,383.72x = 153,460,359.83 × 28,530,195.11
  4. Step 4: Simplify right side
    102,308,383.72x = 4,378,254,007,458,055
  5. Step 5: Solve for x
    x = 4,378,254,007,458,055/102,308,383.72
  6. Step 6: Final answer
    x = 42,794,674.77

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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.