Home / 146,420,693.08-219,403,972.44-84,857,155.72

Finding the Fourth Proportional to 146,420,693.08, 219,403,972.44 and 84,857,155.72

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Solution

The fourth proportional to 146,420,693.08, 219,403,972.44 and 84,857,155.72 is: 127,154,138.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,420,693.08 : 219,403,972.44 = 84,857,155.72 : x
  2. Step 2: Convert to fraction form
    146,420,693.08/219,403,972.44 = 84,857,155.72/x
  3. Step 3: Cross multiply
    146,420,693.08x = 219,403,972.44 × 84,857,155.72
  4. Step 4: Simplify right side
    146,420,693.08x = 18,617,997,054,927,668
  5. Step 5: Solve for x
    x = 18,617,997,054,927,668/146,420,693.08
  6. Step 6: Final answer
    x = 127,154,138.28

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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.