Home / 202,462,309.84-279,397,561.24-109,642,530.64

Finding the Fourth Proportional to 202,462,309.84, 279,397,561.24 and 109,642,530.64

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Solution

The fourth proportional to 202,462,309.84, 279,397,561.24 and 109,642,530.64 is: 151,306,461.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,462,309.84 : 279,397,561.24 = 109,642,530.64 : x
  2. Step 2: Convert to fraction form
    202,462,309.84/279,397,561.24 = 109,642,530.64/x
  3. Step 3: Cross multiply
    202,462,309.84x = 279,397,561.24 × 109,642,530.64
  4. Step 4: Simplify right side
    202,462,309.84x = 30,633,855,668,997,976
  5. Step 5: Solve for x
    x = 30,633,855,668,997,976/202,462,309.84
  6. Step 6: Final answer
    x = 151,306,461.40

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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.