Home / 231,438,176.64-347,157,264.96-109,901,162.88

Finding the Fourth Proportional to 231,438,176.64, 347,157,264.96 and 109,901,162.88

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Solution

The fourth proportional to 231,438,176.64, 347,157,264.96 and 109,901,162.88 is: 164,851,744.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,438,176.64 : 347,157,264.96 = 109,901,162.88 : x
  2. Step 2: Convert to fraction form
    231,438,176.64/347,157,264.96 = 109,901,162.88/x
  3. Step 3: Cross multiply
    231,438,176.64x = 347,157,264.96 × 109,901,162.88
  4. Step 4: Simplify right side
    231,438,176.64x = 38,152,987,121,344,272
  5. Step 5: Solve for x
    x = 38,152,987,121,344,272/231,438,176.64
  6. Step 6: Final answer
    x = 164,851,744.32

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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.