Home / 218,549,687.40-327,824,531.10-206,008,554.60

Finding the Fourth Proportional to 218,549,687.40, 327,824,531.10 and 206,008,554.60

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Solution

The fourth proportional to 218,549,687.40, 327,824,531.10 and 206,008,554.60 is: 309,012,831.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,549,687.40 : 327,824,531.10 = 206,008,554.60 : x
  2. Step 2: Convert to fraction form
    218,549,687.40/327,824,531.10 = 206,008,554.60/x
  3. Step 3: Cross multiply
    218,549,687.40x = 327,824,531.10 × 206,008,554.60
  4. Step 4: Simplify right side
    218,549,687.40x = 67,534,657,814,333,752
  5. Step 5: Solve for x
    x = 67,534,657,814,333,752/218,549,687.40
  6. Step 6: Final answer
    x = 309,012,831.90

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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.