Home / 99,649,079.80-149,473,619.70-73,821,047.20

Finding the Fourth Proportional to 99,649,079.80, 149,473,619.70 and 73,821,047.20

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Solution

The fourth proportional to 99,649,079.80, 149,473,619.70 and 73,821,047.20 is: 110,731,570.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,649,079.80 : 149,473,619.70 = 73,821,047.20 : x
  2. Step 2: Convert to fraction form
    99,649,079.80/149,473,619.70 = 73,821,047.20/x
  3. Step 3: Cross multiply
    99,649,079.80x = 149,473,619.70 × 73,821,047.20
  4. Step 4: Simplify right side
    99,649,079.80x = 11,034,299,135,028,550
  5. Step 5: Solve for x
    x = 11,034,299,135,028,550/99,649,079.80
  6. Step 6: Final answer
    x = 110,731,570.80

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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.