Home / 115,261,195.78-172,614,762.23-65,927,486.84

Finding the Fourth Proportional to 115,261,195.78, 172,614,762.23 and 65,927,486.84

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Solution

The fourth proportional to 115,261,195.78, 172,614,762.23 and 65,927,486.84 is: 98,732,772.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,261,195.78 : 172,614,762.23 = 65,927,486.84 : x
  2. Step 2: Convert to fraction form
    115,261,195.78/172,614,762.23 = 65,927,486.84/x
  3. Step 3: Cross multiply
    115,261,195.78x = 172,614,762.23 × 65,927,486.84
  4. Step 4: Simplify right side
    115,261,195.78x = 11,380,057,465,409,954
  5. Step 5: Solve for x
    x = 11,380,057,465,409,954/115,261,195.78
  6. Step 6: Final answer
    x = 98,732,772.89

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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.