Home / 64,153,409.80-96,233,801.10-18,722,216.20

Finding the Fourth Proportional to 64,153,409.80, 96,233,801.10 and 18,722,216.20

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Solution

The fourth proportional to 64,153,409.80, 96,233,801.10 and 18,722,216.20 is: 28,084,400.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,153,409.80 : 96,233,801.10 = 18,722,216.20 : x
  2. Step 2: Convert to fraction form
    64,153,409.80/96,233,801.10 = 18,722,216.20/x
  3. Step 3: Cross multiply
    64,153,409.80x = 96,233,801.10 × 18,722,216.20
  4. Step 4: Simplify right side
    64,153,409.80x = 1,801,710,029,941,997.75
  5. Step 5: Solve for x
    x = 1,801,710,029,941,997.75/64,153,409.80
  6. Step 6: Final answer
    x = 28,084,400.12

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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.