Home / 66,528,095.55-99,792,143.33-21,089,817.15

Finding the Fourth Proportional to 66,528,095.55, 99,792,143.33 and 21,089,817.15

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Solution

The fourth proportional to 66,528,095.55, 99,792,143.33 and 21,089,817.15 is: 31,634,725.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,528,095.55 : 99,792,143.33 = 21,089,817.15 : x
  2. Step 2: Convert to fraction form
    66,528,095.55/99,792,143.33 = 21,089,817.15/x
  3. Step 3: Cross multiply
    66,528,095.55x = 99,792,143.33 × 21,089,817.15
  4. Step 4: Simplify right side
    66,528,095.55x = 2,104,598,055,836,292
  5. Step 5: Solve for x
    x = 2,104,598,055,836,292/66,528,095.55
  6. Step 6: Final answer
    x = 31,634,725.73

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Double scale
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Similar ratio
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1.5x scale

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.