Home / 81,967,574.54-113,115,363.09-47,159,566.85

Finding the Fourth Proportional to 81,967,574.54, 113,115,363.09 and 47,159,566.85

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Solution

The fourth proportional to 81,967,574.54, 113,115,363.09 and 47,159,566.85 is: 65,080,265.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,967,574.54 : 113,115,363.09 = 47,159,566.85 : x
  2. Step 2: Convert to fraction form
    81,967,574.54/113,115,363.09 = 47,159,566.85/x
  3. Step 3: Cross multiply
    81,967,574.54x = 113,115,363.09 × 47,159,566.85
  4. Step 4: Simplify right side
    81,967,574.54x = 5,334,471,527,404,878
  5. Step 5: Solve for x
    x = 5,334,471,527,404,878/81,967,574.54
  6. Step 6: Final answer
    x = 65,080,265.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.