Home / 223,620,620.40-335,619,887.40-87,403,762.80

Finding the Fourth Proportional to 223,620,620.40, 335,619,887.40 and 87,403,762.80

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Solution

The fourth proportional to 223,620,620.40, 335,619,887.40 and 87,403,762.80 is: 131,179,499.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,620,620.40 : 335,619,887.40 = 87,403,762.80 : x
  2. Step 2: Convert to fraction form
    223,620,620.40/335,619,887.40 = 87,403,762.80/x
  3. Step 3: Cross multiply
    223,620,620.40x = 335,619,887.40 × 87,403,762.80
  4. Step 4: Simplify right side
    223,620,620.40x = 29,334,441,029,272,304
  5. Step 5: Solve for x
    x = 29,334,441,029,272,304/223,620,620.40
  6. Step 6: Final answer
    x = 131,179,499.35

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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.