Home / 180,838,987.21-270,917,136.55-106,841,971

Finding the Fourth Proportional to 180,838,987.21, 270,917,136.55 and 106,841,971

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Solution

The fourth proportional to 180,838,987.21, 270,917,136.55 and 106,841,971 is: 160,061,285.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,838,987.21 : 270,917,136.55 = 106,841,971 : x
  2. Step 2: Convert to fraction form
    180,838,987.21/270,917,136.55 = 106,841,971/x
  3. Step 3: Cross multiply
    180,838,987.21x = 270,917,136.55 × 106,841,971
  4. Step 4: Simplify right side
    180,838,987.21x = 28,945,320,846,678,140
  5. Step 5: Solve for x
    x = 28,945,320,846,678,140/180,838,987.21
  6. Step 6: Final answer
    x = 160,061,285.97

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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.