Home / 73,212,275.45-101,039,331.96-40,178,899.80

Finding the Fourth Proportional to 73,212,275.45, 101,039,331.96 and 40,178,899.80

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Solution

The fourth proportional to 73,212,275.45, 101,039,331.96 and 40,178,899.80 is: 55,450,389.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,212,275.45 : 101,039,331.96 = 40,178,899.80 : x
  2. Step 2: Convert to fraction form
    73,212,275.45/101,039,331.96 = 40,178,899.80/x
  3. Step 3: Cross multiply
    73,212,275.45x = 101,039,331.96 × 40,178,899.80
  4. Step 4: Simplify right side
    73,212,275.45x = 4,059,649,194,679,777
  5. Step 5: Solve for x
    x = 4,059,649,194,679,777/73,212,275.45
  6. Step 6: Final answer
    x = 55,450,389.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.