Home / 315,513,745.07-435,431,499.28-174,381,932.58

Finding the Fourth Proportional to 315,513,745.07, 435,431,499.28 and 174,381,932.58

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Solution

The fourth proportional to 315,513,745.07, 435,431,499.28 and 174,381,932.58 is: 240,659,519.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,513,745.07 : 435,431,499.28 = 174,381,932.58 : x
  2. Step 2: Convert to fraction form
    315,513,745.07/435,431,499.28 = 174,381,932.58/x
  3. Step 3: Cross multiply
    315,513,745.07x = 435,431,499.28 × 174,381,932.58
  4. Step 4: Simplify right side
    315,513,745.07x = 75,931,386,348,476,112
  5. Step 5: Solve for x
    x = 75,931,386,348,476,112/315,513,745.07
  6. Step 6: Final answer
    x = 240,659,519.71

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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.