Home / 66,945,784.40-100,435,783.80-21,508,024.40

Finding the Fourth Proportional to 66,945,784.40, 100,435,783.80 and 21,508,024.40

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Solution

The fourth proportional to 66,945,784.40, 100,435,783.80 and 21,508,024.40 is: 32,267,532.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,945,784.40 : 100,435,783.80 = 21,508,024.40 : x
  2. Step 2: Convert to fraction form
    66,945,784.40/100,435,783.80 = 21,508,024.40/x
  3. Step 3: Cross multiply
    66,945,784.40x = 100,435,783.80 × 21,508,024.40
  4. Step 4: Simplify right side
    66,945,784.40x = 2,160,175,288,603,524.50
  5. Step 5: Solve for x
    x = 2,160,175,288,603,524.50/66,945,784.40
  6. Step 6: Final answer
    x = 32,267,532.72

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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.