Home / 100,027,986.90-149,957,999.55-52,158,930.90

Finding the Fourth Proportional to 100,027,986.90, 149,957,999.55 and 52,158,930.90

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Solution

The fourth proportional to 100,027,986.90, 149,957,999.55 and 52,158,930.90 is: 78,194,605.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,027,986.90 : 149,957,999.55 = 52,158,930.90 : x
  2. Step 2: Convert to fraction form
    100,027,986.90/149,957,999.55 = 52,158,930.90/x
  3. Step 3: Cross multiply
    100,027,986.90x = 149,957,999.55 × 52,158,930.90
  4. Step 4: Simplify right side
    100,027,986.90x = 7,821,648,936,430,681
  5. Step 5: Solve for x
    x = 7,821,648,936,430,681/100,027,986.90
  6. Step 6: Final answer
    x = 78,194,605.12

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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.