Home / 106,997,081.32-160,265,020.08-72,262,481.48

Finding the Fourth Proportional to 106,997,081.32, 160,265,020.08 and 72,262,481.48

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Solution

The fourth proportional to 106,997,081.32, 160,265,020.08 and 72,262,481.48 is: 108,237,980.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,997,081.32 : 160,265,020.08 = 72,262,481.48 : x
  2. Step 2: Convert to fraction form
    106,997,081.32/160,265,020.08 = 72,262,481.48/x
  3. Step 3: Cross multiply
    106,997,081.32x = 160,265,020.08 × 72,262,481.48
  4. Step 4: Simplify right side
    106,997,081.32x = 11,581,148,045,422,830
  5. Step 5: Solve for x
    x = 11,581,148,045,422,830/106,997,081.32
  6. Step 6: Final answer
    x = 108,237,980.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.