Home / 311,908,055.96-430,433,218.86-170,788,219.14

Finding the Fourth Proportional to 311,908,055.96, 430,433,218.86 and 170,788,219.14

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Solution

The fourth proportional to 311,908,055.96, 430,433,218.86 and 170,788,219.14 is: 235,687,798.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,908,055.96 : 430,433,218.86 = 170,788,219.14 : x
  2. Step 2: Convert to fraction form
    311,908,055.96/430,433,218.86 = 170,788,219.14/x
  3. Step 3: Cross multiply
    311,908,055.96x = 430,433,218.86 × 170,788,219.14
  4. Step 4: Simplify right side
    311,908,055.96x = 73,512,922,907,797,264
  5. Step 5: Solve for x
    x = 73,512,922,907,797,264/311,908,055.96
  6. Step 6: Final answer
    x = 235,687,798.06

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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.