Home / 119,232,001.80-178,848,002.70-100,100,125.80

Finding the Fourth Proportional to 119,232,001.80, 178,848,002.70 and 100,100,125.80

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Solution

The fourth proportional to 119,232,001.80, 178,848,002.70 and 100,100,125.80 is: 150,150,188.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,232,001.80 : 178,848,002.70 = 100,100,125.80 : x
  2. Step 2: Convert to fraction form
    119,232,001.80/178,848,002.70 = 100,100,125.80/x
  3. Step 3: Cross multiply
    119,232,001.80x = 178,848,002.70 × 100,100,125.80
  4. Step 4: Simplify right side
    119,232,001.80x = 17,902,707,569,348,738
  5. Step 5: Solve for x
    x = 17,902,707,569,348,738/119,232,001.80
  6. Step 6: Final answer
    x = 150,150,188.70

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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.