Home / 173,165,110.66-238,991,628.09-106,172,221.35

Finding the Fourth Proportional to 173,165,110.66, 238,991,628.09 and 106,172,221.35

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Solution

The fourth proportional to 173,165,110.66, 238,991,628.09 and 106,172,221.35 is: 146,532,242.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,165,110.66 : 238,991,628.09 = 106,172,221.35 : x
  2. Step 2: Convert to fraction form
    173,165,110.66/238,991,628.09 = 106,172,221.35/x
  3. Step 3: Cross multiply
    173,165,110.66x = 238,991,628.09 × 106,172,221.35
  4. Step 4: Simplify right side
    173,165,110.66x = 25,374,272,038,368,356
  5. Step 5: Solve for x
    x = 25,374,272,038,368,356/173,165,110.66
  6. Step 6: Final answer
    x = 146,532,242.79

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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.