Home / 217,190,536.48-325,349,608.32-100,442,248.96

Finding the Fourth Proportional to 217,190,536.48, 325,349,608.32 and 100,442,248.96

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Solution

The fourth proportional to 217,190,536.48, 325,349,608.32 and 100,442,248.96 is: 150,461,649.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,190,536.48 : 325,349,608.32 = 100,442,248.96 : x
  2. Step 2: Convert to fraction form
    217,190,536.48/325,349,608.32 = 100,442,248.96/x
  3. Step 3: Cross multiply
    217,190,536.48x = 325,349,608.32 × 100,442,248.96
  4. Step 4: Simplify right side
    217,190,536.48x = 32,678,846,357,915,924
  5. Step 5: Solve for x
    x = 32,678,846,357,915,924/217,190,536.48
  6. Step 6: Final answer
    x = 150,461,649.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.