Home / 315,497,713.20-435,387,028.64-176,268,474.76

Finding the Fourth Proportional to 315,497,713.20, 435,387,028.64 and 176,268,474.76

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Solution

The fourth proportional to 315,497,713.20, 435,387,028.64 and 176,268,474.76 is: 243,250,598.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,497,713.20 : 435,387,028.64 = 176,268,474.76 : x
  2. Step 2: Convert to fraction form
    315,497,713.20/435,387,028.64 = 176,268,474.76/x
  3. Step 3: Cross multiply
    315,497,713.20x = 435,387,028.64 × 176,268,474.76
  4. Step 4: Simplify right side
    315,497,713.20x = 76,745,007,468,661,232
  5. Step 5: Solve for x
    x = 76,745,007,468,661,232/315,497,713.20
  6. Step 6: Final answer
    x = 243,250,598.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.