Home / 45,219,440.09-67,859,396.22-19,317,794.57

Finding the Fourth Proportional to 45,219,440.09, 67,859,396.22 and 19,317,794.57

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Solution

The fourth proportional to 45,219,440.09, 67,859,396.22 and 19,317,794.57 is: 28,989,608.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,219,440.09 : 67,859,396.22 = 19,317,794.57 : x
  2. Step 2: Convert to fraction form
    45,219,440.09/67,859,396.22 = 19,317,794.57/x
  3. Step 3: Cross multiply
    45,219,440.09x = 67,859,396.22 × 19,317,794.57
  4. Step 4: Simplify right side
    45,219,440.09x = 1,310,893,875,822,194.50
  5. Step 5: Solve for x
    x = 1,310,893,875,822,194.50/45,219,440.09
  6. Step 6: Final answer
    x = 28,989,608.74

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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.