Home / 125,073,317.34-172,500,536.38-109,953,236.80

Finding the Fourth Proportional to 125,073,317.34, 172,500,536.38 and 109,953,236.80

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Solution

The fourth proportional to 125,073,317.34, 172,500,536.38 and 109,953,236.80 is: 151,646,991.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,073,317.34 : 172,500,536.38 = 109,953,236.80 : x
  2. Step 2: Convert to fraction form
    125,073,317.34/172,500,536.38 = 109,953,236.80/x
  3. Step 3: Cross multiply
    125,073,317.34x = 172,500,536.38 × 109,953,236.80
  4. Step 4: Simplify right side
    125,073,317.34x = 18,966,992,324,717,152
  5. Step 5: Solve for x
    x = 18,966,992,324,717,152/125,073,317.34
  6. Step 6: Final answer
    x = 151,646,991.77

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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.