Home / 66,536,429.83-99,814,100.78-20,482,130.03

Finding the Fourth Proportional to 66,536,429.83, 99,814,100.78 and 20,482,130.03

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Solution

The fourth proportional to 66,536,429.83, 99,814,100.78 and 20,482,130.03 is: 30,726,105.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,536,429.83 : 99,814,100.78 = 20,482,130.03 : x
  2. Step 2: Convert to fraction form
    66,536,429.83/99,814,100.78 = 20,482,130.03/x
  3. Step 3: Cross multiply
    66,536,429.83x = 99,814,100.78 × 20,482,130.03
  4. Step 4: Simplify right side
    66,536,429.83x = 2,044,405,390,555,619
  5. Step 5: Solve for x
    x = 2,044,405,390,555,619/66,536,429.83
  6. Step 6: Final answer
    x = 30,726,105.92

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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.