Home / 118,086,405.60-177,129,608.40-104,649,477.60

Finding the Fourth Proportional to 118,086,405.60, 177,129,608.40 and 104,649,477.60

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Solution

The fourth proportional to 118,086,405.60, 177,129,608.40 and 104,649,477.60 is: 156,974,216.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,086,405.60 : 177,129,608.40 = 104,649,477.60 : x
  2. Step 2: Convert to fraction form
    118,086,405.60/177,129,608.40 = 104,649,477.60/x
  3. Step 3: Cross multiply
    118,086,405.60x = 177,129,608.40 × 104,649,477.60
  4. Step 4: Simplify right side
    118,086,405.60x = 18,536,520,986,552,572
  5. Step 5: Solve for x
    x = 18,536,520,986,552,572/118,086,405.60
  6. Step 6: Final answer
    x = 156,974,216.40

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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.