Home / 66,528,097.55-99,792,146.33-21,089,819.15

Finding the Fourth Proportional to 66,528,097.55, 99,792,146.33 and 21,089,819.15

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Solution

The fourth proportional to 66,528,097.55, 99,792,146.33 and 21,089,819.15 is: 31,634,728.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,528,097.55 : 99,792,146.33 = 21,089,819.15 : x
  2. Step 2: Convert to fraction form
    66,528,097.55/99,792,146.33 = 21,089,819.15/x
  3. Step 3: Cross multiply
    66,528,097.55x = 99,792,146.33 × 21,089,819.15
  4. Step 4: Simplify right side
    66,528,097.55x = 2,104,598,318,690,036
  5. Step 5: Solve for x
    x = 2,104,598,318,690,036/66,528,097.55
  6. Step 6: Final answer
    x = 31,634,728.73

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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.