Home / 211,169,721.27-316,346,008.19-118,772,724.72

Finding the Fourth Proportional to 211,169,721.27, 316,346,008.19 and 118,772,724.72

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Solution

The fourth proportional to 211,169,721.27, 316,346,008.19 and 118,772,724.72 is: 177,929,284.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,169,721.27 : 316,346,008.19 = 118,772,724.72 : x
  2. Step 2: Convert to fraction form
    211,169,721.27/316,346,008.19 = 118,772,724.72/x
  3. Step 3: Cross multiply
    211,169,721.27x = 316,346,008.19 × 118,772,724.72
  4. Step 4: Simplify right side
    211,169,721.27x = 37,573,277,346,427,872
  5. Step 5: Solve for x
    x = 37,573,277,346,427,872/211,169,721.27
  6. Step 6: Final answer
    x = 177,929,284.18

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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.