Home / 316,969,843.61-475,487,342.83-109,707,915.12

Finding the Fourth Proportional to 316,969,843.61, 475,487,342.83 and 109,707,915.12

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Solution

The fourth proportional to 316,969,843.61, 475,487,342.83 and 109,707,915.12 is: 164,573,148.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,969,843.61 : 475,487,342.83 = 109,707,915.12 : x
  2. Step 2: Convert to fraction form
    316,969,843.61/475,487,342.83 = 109,707,915.12/x
  3. Step 3: Cross multiply
    316,969,843.61x = 475,487,342.83 × 109,707,915.12
  4. Step 4: Simplify right side
    316,969,843.61x = 52,164,725,047,827,984
  5. Step 5: Solve for x
    x = 52,164,725,047,827,984/316,969,843.61
  6. Step 6: Final answer
    x = 164,573,148.20

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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.