Home / 107,802,703.80-161,704,055.70-43,074,502.20

Finding the Fourth Proportional to 107,802,703.80, 161,704,055.70 and 43,074,502.20

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Solution

The fourth proportional to 107,802,703.80, 161,704,055.70 and 43,074,502.20 is: 64,611,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,802,703.80 : 161,704,055.70 = 43,074,502.20 : x
  2. Step 2: Convert to fraction form
    107,802,703.80/161,704,055.70 = 43,074,502.20/x
  3. Step 3: Cross multiply
    107,802,703.80x = 161,704,055.70 × 43,074,502.20
  4. Step 4: Simplify right side
    107,802,703.80x = 6,965,321,702,998,573
  5. Step 5: Solve for x
    x = 6,965,321,702,998,573/107,802,703.80
  6. Step 6: Final answer
    x = 64,611,753.30

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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.