Home / 109,138,321.20-163,707,481.80-94,470,549.60

Finding the Fourth Proportional to 109,138,321.20, 163,707,481.80 and 94,470,549.60

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Solution

The fourth proportional to 109,138,321.20, 163,707,481.80 and 94,470,549.60 is: 141,705,824.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,138,321.20 : 163,707,481.80 = 94,470,549.60 : x
  2. Step 2: Convert to fraction form
    109,138,321.20/163,707,481.80 = 94,470,549.60/x
  3. Step 3: Cross multiply
    109,138,321.20x = 163,707,481.80 × 94,470,549.60
  4. Step 4: Simplify right side
    109,138,321.20x = 15,465,535,779,277,998
  5. Step 5: Solve for x
    x = 15,465,535,779,277,998/109,138,321.20
  6. Step 6: Final answer
    x = 141,705,824.40

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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.