Home / 66,836,185.42-100,255,677.90-21,397,848.70

Finding the Fourth Proportional to 66,836,185.42, 100,255,677.90 and 21,397,848.70

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Solution

The fourth proportional to 66,836,185.42, 100,255,677.90 and 21,397,848.70 is: 32,097,221.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,836,185.42 : 100,255,677.90 = 21,397,848.70 : x
  2. Step 2: Convert to fraction form
    66,836,185.42/100,255,677.90 = 21,397,848.70/x
  3. Step 3: Cross multiply
    66,836,185.42x = 100,255,677.90 × 21,397,848.70
  4. Step 4: Simplify right side
    66,836,185.42x = 2,145,255,827,020,133.75
  5. Step 5: Solve for x
    x = 2,145,255,827,020,133.75/66,836,185.42
  6. Step 6: Final answer
    x = 32,097,221.19

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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.