Home / 77,112,503.26-115,669,025.25-19,604,780.62

Finding the Fourth Proportional to 77,112,503.26, 115,669,025.25 and 19,604,780.62

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Solution

The fourth proportional to 77,112,503.26, 115,669,025.25 and 19,604,780.62 is: 29,407,239.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,112,503.26 : 115,669,025.25 = 19,604,780.62 : x
  2. Step 2: Convert to fraction form
    77,112,503.26/115,669,025.25 = 19,604,780.62/x
  3. Step 3: Cross multiply
    77,112,503.26x = 115,669,025.25 × 19,604,780.62
  4. Step 4: Simplify right side
    77,112,503.26x = 2,267,665,864,555,491
  5. Step 5: Solve for x
    x = 2,267,665,864,555,491/77,112,503.26
  6. Step 6: Final answer
    x = 29,407,239.67

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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.