Home / 74,668,311.45-112,002,467.18-67,015,561.05

Finding the Fourth Proportional to 74,668,311.45, 112,002,467.18 and 67,015,561.05

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Solution

The fourth proportional to 74,668,311.45, 112,002,467.18 and 67,015,561.05 is: 100,523,341.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,668,311.45 : 112,002,467.18 = 67,015,561.05 : x
  2. Step 2: Convert to fraction form
    74,668,311.45/112,002,467.18 = 67,015,561.05/x
  3. Step 3: Cross multiply
    74,668,311.45x = 112,002,467.18 × 67,015,561.05
  4. Step 4: Simplify right side
    74,668,311.45x = 7,505,908,176,716,833
  5. Step 5: Solve for x
    x = 7,505,908,176,716,833/74,668,311.45
  6. Step 6: Final answer
    x = 100,523,341.58

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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.