Home / 196,119,328.28-270,624,644.80-120,753,688.28

Finding the Fourth Proportional to 196,119,328.28, 270,624,644.80 and 120,753,688.28

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Solution

The fourth proportional to 196,119,328.28, 270,624,644.80 and 120,753,688.28 is: 166,627,758.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,119,328.28 : 270,624,644.80 = 120,753,688.28 : x
  2. Step 2: Convert to fraction form
    196,119,328.28/270,624,644.80 = 120,753,688.28/x
  3. Step 3: Cross multiply
    196,119,328.28x = 270,624,644.80 × 120,753,688.28
  4. Step 4: Simplify right side
    196,119,328.28x = 32,678,923,997,409,920
  5. Step 5: Solve for x
    x = 32,678,923,997,409,920/196,119,328.28
  6. Step 6: Final answer
    x = 166,627,758.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.