Home / 213,280,587.63-319,904,926.05-76,965,966.27

Finding the Fourth Proportional to 213,280,587.63, 319,904,926.05 and 76,965,966.27

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Solution

The fourth proportional to 213,280,587.63, 319,904,926.05 and 76,965,966.27 is: 115,443,191.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,280,587.63 : 319,904,926.05 = 76,965,966.27 : x
  2. Step 2: Convert to fraction form
    213,280,587.63/319,904,926.05 = 76,965,966.27/x
  3. Step 3: Cross multiply
    213,280,587.63x = 319,904,926.05 × 76,965,966.27
  4. Step 4: Simplify right side
    213,280,587.63x = 24,621,791,747,971,144
  5. Step 5: Solve for x
    x = 24,621,791,747,971,144/213,280,587.63
  6. Step 6: Final answer
    x = 115,443,191.63

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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.