Home / 100,851,421.32-151,324,371.18-49,705,558.92

Finding the Fourth Proportional to 100,851,421.32, 151,324,371.18 and 49,705,558.92

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Solution

The fourth proportional to 100,851,421.32, 151,324,371.18 and 49,705,558.92 is: 74,581,620.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,851,421.32 : 151,324,371.18 = 49,705,558.92 : x
  2. Step 2: Convert to fraction form
    100,851,421.32/151,324,371.18 = 49,705,558.92/x
  3. Step 3: Cross multiply
    100,851,421.32x = 151,324,371.18 × 49,705,558.92
  4. Step 4: Simplify right side
    100,851,421.32x = 7,521,662,447,719,441
  5. Step 5: Solve for x
    x = 7,521,662,447,719,441/100,851,421.32
  6. Step 6: Final answer
    x = 74,581,620.66

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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.