Home / 179,692,713.10-269,650,655.84-115,042,915.45

Finding the Fourth Proportional to 179,692,713.10, 269,650,655.84 and 115,042,915.45

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Solution

The fourth proportional to 179,692,713.10, 269,650,655.84 and 115,042,915.45 is: 172,635,812.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,692,713.10 : 269,650,655.84 = 115,042,915.45 : x
  2. Step 2: Convert to fraction form
    179,692,713.10/269,650,655.84 = 115,042,915.45/x
  3. Step 3: Cross multiply
    179,692,713.10x = 269,650,655.84 × 115,042,915.45
  4. Step 4: Simplify right side
    179,692,713.10x = 31,021,397,600,838,168
  5. Step 5: Solve for x
    x = 31,021,397,600,838,168/179,692,713.10
  6. Step 6: Final answer
    x = 172,635,812.91

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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.