Home / 86,678,817.27-119,616,738.90-47,519,753.24

Finding the Fourth Proportional to 86,678,817.27, 119,616,738.90 and 47,519,753.24

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Solution

The fourth proportional to 86,678,817.27, 119,616,738.90 and 47,519,753.24 is: 65,577,243.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,678,817.27 : 119,616,738.90 = 47,519,753.24 : x
  2. Step 2: Convert to fraction form
    86,678,817.27/119,616,738.90 = 47,519,753.24/x
  3. Step 3: Cross multiply
    86,678,817.27x = 119,616,738.90 × 47,519,753.24
  4. Step 4: Simplify right side
    86,678,817.27x = 5,684,157,915,303,426
  5. Step 5: Solve for x
    x = 5,684,157,915,303,426/86,678,817.27
  6. Step 6: Final answer
    x = 65,577,243.60

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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.