Home / 86,342,142.84-119,153,722.86-47,185,576.44

Finding the Fourth Proportional to 86,342,142.84, 119,153,722.86 and 47,185,576.44

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Solution

The fourth proportional to 86,342,142.84, 119,153,722.86 and 47,185,576.44 is: 65,116,951.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,342,142.84 : 119,153,722.86 = 47,185,576.44 : x
  2. Step 2: Convert to fraction form
    86,342,142.84/119,153,722.86 = 47,185,576.44/x
  3. Step 3: Cross multiply
    86,342,142.84x = 119,153,722.86 × 47,185,576.44
  4. Step 4: Simplify right side
    86,342,142.84x = 5,622,337,098,121,105
  5. Step 5: Solve for x
    x = 5,622,337,098,121,105/86,342,142.84
  6. Step 6: Final answer
    x = 65,116,951.16

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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.