Home / 141,021,410.06-194,615,623.94-78,297,511.16

Finding the Fourth Proportional to 141,021,410.06, 194,615,623.94 and 78,297,511.16

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Solution

The fourth proportional to 141,021,410.06, 194,615,623.94 and 78,297,511.16 is: 108,053,940.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,021,410.06 : 194,615,623.94 = 78,297,511.16 : x
  2. Step 2: Convert to fraction form
    141,021,410.06/194,615,623.94 = 78,297,511.16/x
  3. Step 3: Cross multiply
    141,021,410.06x = 194,615,623.94 × 78,297,511.16
  4. Step 4: Simplify right side
    141,021,410.06x = 15,237,918,987,447,564
  5. Step 5: Solve for x
    x = 15,237,918,987,447,564/141,021,410.06
  6. Step 6: Final answer
    x = 108,053,940.04

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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.