Home / 66,961,680.11-100,443,018.47-18,442,196.34

Finding the Fourth Proportional to 66,961,680.11, 100,443,018.47 and 18,442,196.34

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Solution

The fourth proportional to 66,961,680.11, 100,443,018.47 and 18,442,196.34 is: 27,663,431.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,961,680.11 : 100,443,018.47 = 18,442,196.34 : x
  2. Step 2: Convert to fraction form
    66,961,680.11/100,443,018.47 = 18,442,196.34/x
  3. Step 3: Cross multiply
    66,961,680.11x = 100,443,018.47 × 18,442,196.34
  4. Step 4: Simplify right side
    66,961,680.11x = 1,852,389,867,137,114.25
  5. Step 5: Solve for x
    x = 1,852,389,867,137,114.25/66,961,680.11
  6. Step 6: Final answer
    x = 27,663,431.74

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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.