Home / 66,052,130.10-99,078,195.15-60,099,990.90

Finding the Fourth Proportional to 66,052,130.10, 99,078,195.15 and 60,099,990.90

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Solution

The fourth proportional to 66,052,130.10, 99,078,195.15 and 60,099,990.90 is: 90,149,986.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,052,130.10 : 99,078,195.15 = 60,099,990.90 : x
  2. Step 2: Convert to fraction form
    66,052,130.10/99,078,195.15 = 60,099,990.90/x
  3. Step 3: Cross multiply
    66,052,130.10x = 99,078,195.15 × 60,099,990.90
  4. Step 4: Simplify right side
    66,052,130.10x = 5,954,598,626,903,424
  5. Step 5: Solve for x
    x = 5,954,598,626,903,424/66,052,130.10
  6. Step 6: Final answer
    x = 90,149,986.35

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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.