Home / 83,987,201.36-115,902,337.20-45,356,033.36

Finding the Fourth Proportional to 83,987,201.36, 115,902,337.20 and 45,356,033.36

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Solution

The fourth proportional to 83,987,201.36, 115,902,337.20 and 45,356,033.36 is: 62,591,325.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,987,201.36 : 115,902,337.20 = 45,356,033.36 : x
  2. Step 2: Convert to fraction form
    83,987,201.36/115,902,337.20 = 45,356,033.36/x
  3. Step 3: Cross multiply
    83,987,201.36x = 115,902,337.20 × 45,356,033.36
  4. Step 4: Simplify right side
    83,987,201.36x = 5,256,870,272,545,169
  5. Step 5: Solve for x
    x = 5,256,870,272,545,169/83,987,201.36
  6. Step 6: Final answer
    x = 62,591,325.67

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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.