Home / 64,153,405.80-96,233,795.10-18,722,212.20

Finding the Fourth Proportional to 64,153,405.80, 96,233,795.10 and 18,722,212.20

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Solution

The fourth proportional to 64,153,405.80, 96,233,795.10 and 18,722,212.20 is: 28,084,394.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,153,405.80 : 96,233,795.10 = 18,722,212.20 : x
  2. Step 2: Convert to fraction form
    64,153,405.80/96,233,795.10 = 18,722,212.20/x
  3. Step 3: Cross multiply
    64,153,405.80x = 96,233,795.10 × 18,722,212.20
  4. Step 4: Simplify right side
    64,153,405.80x = 1,801,709,532,673,520
  5. Step 5: Solve for x
    x = 1,801,709,532,673,520/64,153,405.80
  6. Step 6: Final answer
    x = 28,084,394.12

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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.