Home / 90,803,762.82-125,311,858.11-49,553,317.26

Finding the Fourth Proportional to 90,803,762.82, 125,311,858.11 and 49,553,317.26

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Solution

The fourth proportional to 90,803,762.82, 125,311,858.11 and 49,553,317.26 is: 68,385,032.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,803,762.82 : 125,311,858.11 = 49,553,317.26 : x
  2. Step 2: Convert to fraction form
    90,803,762.82/125,311,858.11 = 49,553,317.26/x
  3. Step 3: Cross multiply
    90,803,762.82x = 125,311,858.11 × 49,553,317.26
  4. Step 4: Simplify right side
    90,803,762.82x = 6,209,618,261,364,934
  5. Step 5: Solve for x
    x = 6,209,618,261,364,934/90,803,762.82
  6. Step 6: Final answer
    x = 68,385,032.39

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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.