Home / 86,307,540.57-119,106,161.75-47,151,853.42

Finding the Fourth Proportional to 86,307,540.57, 119,106,161.75 and 47,151,853.42

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Solution

The fourth proportional to 86,307,540.57, 119,106,161.75 and 47,151,853.42 is: 65,070,516.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,307,540.57 : 119,106,161.75 = 47,151,853.42 : x
  2. Step 2: Convert to fraction form
    86,307,540.57/119,106,161.75 = 47,151,853.42/x
  3. Step 3: Cross multiply
    86,307,540.57x = 119,106,161.75 × 47,151,853.42
  4. Step 4: Simplify right side
    86,307,540.57x = 5,616,076,280,254,811
  5. Step 5: Solve for x
    x = 5,616,076,280,254,811/86,307,540.57
  6. Step 6: Final answer
    x = 65,070,516.93

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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.