Home / 319,541,467.70-479,312,201.55-164,573,272.10

Finding the Fourth Proportional to 319,541,467.70, 479,312,201.55 and 164,573,272.10

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Solution

The fourth proportional to 319,541,467.70, 479,312,201.55 and 164,573,272.10 is: 246,859,908.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,541,467.70 : 479,312,201.55 = 164,573,272.10 : x
  2. Step 2: Convert to fraction form
    319,541,467.70/479,312,201.55 = 164,573,272.10/x
  3. Step 3: Cross multiply
    319,541,467.70x = 479,312,201.55 × 164,573,272.10
  4. Step 4: Simplify right side
    319,541,467.70x = 78,881,977,366,538,192
  5. Step 5: Solve for x
    x = 78,881,977,366,538,192/319,541,467.70
  6. Step 6: Final answer
    x = 246,859,908.15

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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.