Home / 216,904,164.88-299,326,659.74-117,784,026.88

Finding the Fourth Proportional to 216,904,164.88, 299,326,659.74 and 117,784,026.88

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Solution

The fourth proportional to 216,904,164.88, 299,326,659.74 and 117,784,026.88 is: 162,541,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,904,164.88 : 299,326,659.74 = 117,784,026.88 : x
  2. Step 2: Convert to fraction form
    216,904,164.88/299,326,659.74 = 117,784,026.88/x
  3. Step 3: Cross multiply
    216,904,164.88x = 299,326,659.74 × 117,784,026.88
  4. Step 4: Simplify right side
    216,904,164.88x = 35,255,899,336,716,772
  5. Step 5: Solve for x
    x = 35,255,899,336,716,772/216,904,164.88
  6. Step 6: Final answer
    x = 162,541,366.40

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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.