Home / 130,734,098.80-196,101,148.20-120,880,351.60

Finding the Fourth Proportional to 130,734,098.80, 196,101,148.20 and 120,880,351.60

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Solution

The fourth proportional to 130,734,098.80, 196,101,148.20 and 120,880,351.60 is: 181,320,527.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,734,098.80 : 196,101,148.20 = 120,880,351.60 : x
  2. Step 2: Convert to fraction form
    130,734,098.80/196,101,148.20 = 120,880,351.60/x
  3. Step 3: Cross multiply
    130,734,098.80x = 196,101,148.20 × 120,880,351.60
  4. Step 4: Simplify right side
    130,734,098.80x = 23,704,775,743,579,704
  5. Step 5: Solve for x
    x = 23,704,775,743,579,704/130,734,098.80
  6. Step 6: Final answer
    x = 181,320,527.40

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1.5x scale

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.