Home / 177,152,012.20-265,770,008.70-90,903,730.60

Finding the Fourth Proportional to 177,152,012.20, 265,770,008.70 and 90,903,730.60

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Solution

The fourth proportional to 177,152,012.20, 265,770,008.70 and 90,903,730.60 is: 136,377,142.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,152,012.20 : 265,770,008.70 = 90,903,730.60 : x
  2. Step 2: Convert to fraction form
    177,152,012.20/265,770,008.70 = 90,903,730.60/x
  3. Step 3: Cross multiply
    177,152,012.20x = 265,770,008.70 × 90,903,730.60
  4. Step 4: Simplify right side
    177,152,012.20x = 24,159,485,272,424,452
  5. Step 5: Solve for x
    x = 24,159,485,272,424,452/177,152,012.20
  6. Step 6: Final answer
    x = 136,377,142.84

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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.