Home / 86,764,738.91-119,737,542.74-47,606,505.28

Finding the Fourth Proportional to 86,764,738.91, 119,737,542.74 and 47,606,505.28

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Solution

The fourth proportional to 86,764,738.91, 119,737,542.74 and 47,606,505.28 is: 65,698,186.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,764,738.91 : 119,737,542.74 = 47,606,505.28 : x
  2. Step 2: Convert to fraction form
    86,764,738.91/119,737,542.74 = 47,606,505.28/x
  3. Step 3: Cross multiply
    86,764,738.91x = 119,737,542.74 × 47,606,505.28
  4. Step 4: Simplify right side
    86,764,738.91x = 5,700,285,960,128,660
  5. Step 5: Solve for x
    x = 5,700,285,960,128,660/86,764,738.91
  6. Step 6: Final answer
    x = 65,698,186.06

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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.