Home / 161,989,786.04-223,463,548.91-98,393,201.69

Finding the Fourth Proportional to 161,989,786.04, 223,463,548.91 and 98,393,201.69

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Solution

The fourth proportional to 161,989,786.04, 223,463,548.91 and 98,393,201.69 is: 135,732,595.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,989,786.04 : 223,463,548.91 = 98,393,201.69 : x
  2. Step 2: Convert to fraction form
    161,989,786.04/223,463,548.91 = 98,393,201.69/x
  3. Step 3: Cross multiply
    161,989,786.04x = 223,463,548.91 × 98,393,201.69
  4. Step 4: Simplify right side
    161,989,786.04x = 21,987,294,038,416,444
  5. Step 5: Solve for x
    x = 21,987,294,038,416,444/161,989,786.04
  6. Step 6: Final answer
    x = 135,732,595.09

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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.