Home / 66,765,008.22-91,921,576.05-52,061,807.22

Finding the Fourth Proportional to 66,765,008.22, 91,921,576.05 and 52,061,807.22

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Solution

The fourth proportional to 66,765,008.22, 91,921,576.05 and 52,061,807.22 is: 71,678,316.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,765,008.22 : 91,921,576.05 = 52,061,807.22 : x
  2. Step 2: Convert to fraction form
    66,765,008.22/91,921,576.05 = 52,061,807.22/x
  3. Step 3: Cross multiply
    66,765,008.22x = 91,921,576.05 × 52,061,807.22
  4. Step 4: Simplify right side
    66,765,008.22x = 4,785,603,371,673,669
  5. Step 5: Solve for x
    x = 4,785,603,371,673,669/66,765,008.22
  6. Step 6: Final answer
    x = 71,678,316.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.