Home / 82,586,764.99-113,972,732.11-47,311,387.72

Finding the Fourth Proportional to 82,586,764.99, 113,972,732.11 and 47,311,387.72

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Solution

The fourth proportional to 82,586,764.99, 113,972,732.11 and 47,311,387.72 is: 65,291,431.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,586,764.99 : 113,972,732.11 = 47,311,387.72 : x
  2. Step 2: Convert to fraction form
    82,586,764.99/113,972,732.11 = 47,311,387.72/x
  3. Step 3: Cross multiply
    82,586,764.99x = 113,972,732.11 × 47,311,387.72
  4. Step 4: Simplify right side
    82,586,764.99x = 5,392,208,118,054,133
  5. Step 5: Solve for x
    x = 5,392,208,118,054,133/82,586,764.99
  6. Step 6: Final answer
    x = 65,291,431.60

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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.