Home / 242,287,687.20-363,431,530.80-218,101,216.80

Finding the Fourth Proportional to 242,287,687.20, 363,431,530.80 and 218,101,216.80

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Solution

The fourth proportional to 242,287,687.20, 363,431,530.80 and 218,101,216.80 is: 327,151,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,287,687.20 : 363,431,530.80 = 218,101,216.80 : x
  2. Step 2: Convert to fraction form
    242,287,687.20/363,431,530.80 = 218,101,216.80/x
  3. Step 3: Cross multiply
    242,287,687.20x = 363,431,530.80 × 218,101,216.80
  4. Step 4: Simplify right side
    242,287,687.20x = 79,264,859,090,966,688
  5. Step 5: Solve for x
    x = 79,264,859,090,966,688/242,287,687.20
  6. Step 6: Final answer
    x = 327,151,825.20

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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.