Home / 124,848,010.20-187,272,015.30-102,154,531.80

Finding the Fourth Proportional to 124,848,010.20, 187,272,015.30 and 102,154,531.80

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Solution

The fourth proportional to 124,848,010.20, 187,272,015.30 and 102,154,531.80 is: 153,231,797.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,848,010.20 : 187,272,015.30 = 102,154,531.80 : x
  2. Step 2: Convert to fraction form
    124,848,010.20/187,272,015.30 = 102,154,531.80/x
  3. Step 3: Cross multiply
    124,848,010.20x = 187,272,015.30 × 102,154,531.80
  4. Step 4: Simplify right side
    124,848,010.20x = 19,130,685,042,213,936
  5. Step 5: Solve for x
    x = 19,130,685,042,213,936/124,848,010.20
  6. Step 6: Final answer
    x = 153,231,797.70

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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.