Home / 66,880,383.60-100,320,575.40-40,006,527.60

Finding the Fourth Proportional to 66,880,383.60, 100,320,575.40 and 40,006,527.60

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Solution

The fourth proportional to 66,880,383.60, 100,320,575.40 and 40,006,527.60 is: 60,009,791.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,880,383.60 : 100,320,575.40 = 40,006,527.60 : x
  2. Step 2: Convert to fraction form
    66,880,383.60/100,320,575.40 = 40,006,527.60/x
  3. Step 3: Cross multiply
    66,880,383.60x = 100,320,575.40 × 40,006,527.60
  4. Step 4: Simplify right side
    66,880,383.60x = 4,013,477,868,587,981.50
  5. Step 5: Solve for x
    x = 4,013,477,868,587,981.50/66,880,383.60
  6. Step 6: Final answer
    x = 60,009,791.40

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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.