Home / 66,890,001.90-100,310,906.97-23,158,887.21

Finding the Fourth Proportional to 66,890,001.90, 100,310,906.97 and 23,158,887.21

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Solution

The fourth proportional to 66,890,001.90, 100,310,906.97 and 23,158,887.21 is: 34,729,988.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,890,001.90 : 100,310,906.97 = 23,158,887.21 : x
  2. Step 2: Convert to fraction form
    66,890,001.90/100,310,906.97 = 23,158,887.21/x
  3. Step 3: Cross multiply
    66,890,001.90x = 100,310,906.97 × 23,158,887.21
  4. Step 4: Simplify right side
    66,890,001.90x = 2,323,088,980,451,033
  5. Step 5: Solve for x
    x = 2,323,088,980,451,033/66,890,001.90
  6. Step 6: Final answer
    x = 34,729,988.26

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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.