Home / 242,050,198.64-361,187,446.50-215,963,170.64

Finding the Fourth Proportional to 242,050,198.64, 361,187,446.50 and 215,963,170.64

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Solution

The fourth proportional to 242,050,198.64, 361,187,446.50 and 215,963,170.64 is: 322,260,368.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,050,198.64 : 361,187,446.50 = 215,963,170.64 : x
  2. Step 2: Convert to fraction form
    242,050,198.64/361,187,446.50 = 215,963,170.64/x
  3. Step 3: Cross multiply
    242,050,198.64x = 361,187,446.50 × 215,963,170.64
  4. Step 4: Simplify right side
    242,050,198.64x = 78,003,186,141,505,360
  5. Step 5: Solve for x
    x = 78,003,186,141,505,360/242,050,198.64
  6. Step 6: Final answer
    x = 322,260,368.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.