Home / 311,908,055.46-430,433,218.17-170,788,218.63

Finding the Fourth Proportional to 311,908,055.46, 430,433,218.17 and 170,788,218.63

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Solution

The fourth proportional to 311,908,055.46, 430,433,218.17 and 170,788,218.63 is: 235,687,797.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,908,055.46 : 430,433,218.17 = 170,788,218.63 : x
  2. Step 2: Convert to fraction form
    311,908,055.46/430,433,218.17 = 170,788,218.63/x
  3. Step 3: Cross multiply
    311,908,055.46x = 430,433,218.17 × 170,788,218.63
  4. Step 4: Simplify right side
    311,908,055.46x = 73,512,922,570,432,448
  5. Step 5: Solve for x
    x = 73,512,922,570,432,448/311,908,055.46
  6. Step 6: Final answer
    x = 235,687,797.36

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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.