Home / 243,731,112.80-365,384,092.80-146,725,415.60

Finding the Fourth Proportional to 243,731,112.80, 365,384,092.80 and 146,725,415.60

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Solution

The fourth proportional to 243,731,112.80, 365,384,092.80 and 146,725,415.60 is: 219,960,153.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,731,112.80 : 365,384,092.80 = 146,725,415.60 : x
  2. Step 2: Convert to fraction form
    243,731,112.80/365,384,092.80 = 146,725,415.60/x
  3. Step 3: Cross multiply
    243,731,112.80x = 365,384,092.80 × 146,725,415.60
  4. Step 4: Simplify right side
    243,731,112.80x = 53,611,132,869,708,968
  5. Step 5: Solve for x
    x = 53,611,132,869,708,968/243,731,112.80
  6. Step 6: Final answer
    x = 219,960,153.03

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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.