Home / 66,864,489.42-92,233,901.62-42,045,396.06

Finding the Fourth Proportional to 66,864,489.42, 92,233,901.62 and 42,045,396.06

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Solution

The fourth proportional to 66,864,489.42, 92,233,901.62 and 42,045,396.06 is: 57,998,063.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,864,489.42 : 92,233,901.62 = 42,045,396.06 : x
  2. Step 2: Convert to fraction form
    66,864,489.42/92,233,901.62 = 42,045,396.06/x
  3. Step 3: Cross multiply
    66,864,489.42x = 92,233,901.62 × 42,045,396.06
  4. Step 4: Simplify right side
    66,864,489.42x = 3,878,010,923,771,976
  5. Step 5: Solve for x
    x = 3,878,010,923,771,976/66,864,489.42
  6. Step 6: Final answer
    x = 57,998,063.81

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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.