Home / 99,668,003.80-149,529,999.30-48,551,690.20

Finding the Fourth Proportional to 99,668,003.80, 149,529,999.30 and 48,551,690.20

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Solution

The fourth proportional to 99,668,003.80, 149,529,999.30 and 48,551,690.20 is: 72,841,171.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,668,003.80 : 149,529,999.30 = 48,551,690.20 : x
  2. Step 2: Convert to fraction form
    99,668,003.80/149,529,999.30 = 48,551,690.20/x
  3. Step 3: Cross multiply
    99,668,003.80x = 149,529,999.30 × 48,551,690.20
  4. Step 4: Simplify right side
    99,668,003.80x = 7,259,934,201,619,818
  5. Step 5: Solve for x
    x = 7,259,934,201,619,818/99,668,003.80
  6. Step 6: Final answer
    x = 72,841,171.94

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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.