Home / 325,151,492.12-487,617,904.42-117,846,507.48

Finding the Fourth Proportional to 325,151,492.12, 487,617,904.42 and 117,846,507.48

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Solution

The fourth proportional to 325,151,492.12, 487,617,904.42 and 117,846,507.48 is: 176,730,134.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,151,492.12 : 487,617,904.42 = 117,846,507.48 : x
  2. Step 2: Convert to fraction form
    325,151,492.12/487,617,904.42 = 117,846,507.48/x
  3. Step 3: Cross multiply
    325,151,492.12x = 487,617,904.42 × 117,846,507.48
  4. Step 4: Simplify right side
    325,151,492.12x = 57,464,067,020,613,456
  5. Step 5: Solve for x
    x = 57,464,067,020,613,456/325,151,492.12
  6. Step 6: Final answer
    x = 176,730,134.76

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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.