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Finding the Fourth Proportional to 119,520,200.40, 179,028,358.20 and 119,520,200.40

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Solution

The fourth proportional to 119,520,200.40, 179,028,358.20 and 119,520,200.40 is: 179,028,358.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,520,200.40 : 179,028,358.20 = 119,520,200.40 : x
  2. Step 2: Convert to fraction form
    119,520,200.40/179,028,358.20 = 119,520,200.40/x
  3. Step 3: Cross multiply
    119,520,200.40x = 179,028,358.20 × 119,520,200.40
  4. Step 4: Simplify right side
    119,520,200.40x = 21,397,505,249,346,984
  5. Step 5: Solve for x
    x = 21,397,505,249,346,984/119,520,200.40
  6. Step 6: Final answer
    x = 179,028,358.20

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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.