Home / 118,023,764.80-177,147,621.60-72,674,132.80

Finding the Fourth Proportional to 118,023,764.80, 177,147,621.60 and 72,674,132.80

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Solution

The fourth proportional to 118,023,764.80, 177,147,621.60 and 72,674,132.80 is: 109,080,148.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,023,764.80 : 177,147,621.60 = 72,674,132.80 : x
  2. Step 2: Convert to fraction form
    118,023,764.80/177,147,621.60 = 72,674,132.80/x
  3. Step 3: Cross multiply
    118,023,764.80x = 177,147,621.60 × 72,674,132.80
  4. Step 4: Simplify right side
    118,023,764.80x = 12,874,049,777,362,548
  5. Step 5: Solve for x
    x = 12,874,049,777,362,548/118,023,764.80
  6. Step 6: Final answer
    x = 109,080,148.39

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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.