Home / 102,308,380.73-153,460,355.36-28,530,192.12

Finding the Fourth Proportional to 102,308,380.73, 153,460,355.36 and 28,530,192.12

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Solution

The fourth proportional to 102,308,380.73, 153,460,355.36 and 28,530,192.12 is: 42,794,670.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,308,380.73 : 153,460,355.36 = 28,530,192.12 : x
  2. Step 2: Convert to fraction form
    102,308,380.73/153,460,355.36 = 28,530,192.12/x
  3. Step 3: Cross multiply
    102,308,380.73x = 153,460,355.36 × 28,530,192.12
  4. Step 4: Simplify right side
    102,308,380.73x = 4,378,253,421,081,620.50
  5. Step 5: Solve for x
    x = 4,378,253,421,081,620.50/102,308,380.73
  6. Step 6: Final answer
    x = 42,794,670.29

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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.