Home / 73,077,842.94-100,847,421.05-40,039,343.79

Finding the Fourth Proportional to 73,077,842.94, 100,847,421.05 and 40,039,343.79

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Solution

The fourth proportional to 73,077,842.94, 100,847,421.05 and 40,039,343.79 is: 55,254,293.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,077,842.94 : 100,847,421.05 = 40,039,343.79 : x
  2. Step 2: Convert to fraction form
    73,077,842.94/100,847,421.05 = 40,039,343.79/x
  3. Step 3: Cross multiply
    73,077,842.94x = 100,847,421.05 × 40,039,343.79
  4. Step 4: Simplify right side
    73,077,842.94x = 4,037,864,561,755,832.50
  5. Step 5: Solve for x
    x = 4,037,864,561,755,832.50/73,077,842.94
  6. Step 6: Final answer
    x = 55,254,293.22

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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.