Home / 67,781,481.76-101,678,875.44-19,261,574.56

Finding the Fourth Proportional to 67,781,481.76, 101,678,875.44 and 19,261,574.56

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Solution

The fourth proportional to 67,781,481.76, 101,678,875.44 and 19,261,574.56 is: 28,894,252.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,781,481.76 : 101,678,875.44 = 19,261,574.56 : x
  2. Step 2: Convert to fraction form
    67,781,481.76/101,678,875.44 = 19,261,574.56/x
  3. Step 3: Cross multiply
    67,781,481.76x = 101,678,875.44 × 19,261,574.56
  4. Step 4: Simplify right side
    67,781,481.76x = 1,958,495,240,464,512.50
  5. Step 5: Solve for x
    x = 1,958,495,240,464,512.50/67,781,481.76
  6. Step 6: Final answer
    x = 28,894,252.38

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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.