Home / 42,716,521.68-64,055,624.22-25,452,857.76

Finding the Fourth Proportional to 42,716,521.68, 64,055,624.22 and 25,452,857.76

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Solution

The fourth proportional to 42,716,521.68, 64,055,624.22 and 25,452,857.76 is: 38,167,871.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,716,521.68 : 64,055,624.22 = 25,452,857.76 : x
  2. Step 2: Convert to fraction form
    42,716,521.68/64,055,624.22 = 25,452,857.76/x
  3. Step 3: Cross multiply
    42,716,521.68x = 64,055,624.22 × 25,452,857.76
  4. Step 4: Simplify right side
    42,716,521.68x = 1,630,398,691,999,671
  5. Step 5: Solve for x
    x = 1,630,398,691,999,671/42,716,521.68
  6. Step 6: Final answer
    x = 38,167,871.07

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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.