Home / 147,564,016.20-221,346,024.30-45,333,138.60

Finding the Fourth Proportional to 147,564,016.20, 221,346,024.30 and 45,333,138.60

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Solution

The fourth proportional to 147,564,016.20, 221,346,024.30 and 45,333,138.60 is: 67,999,707.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,564,016.20 : 221,346,024.30 = 45,333,138.60 : x
  2. Step 2: Convert to fraction form
    147,564,016.20/221,346,024.30 = 45,333,138.60/x
  3. Step 3: Cross multiply
    147,564,016.20x = 221,346,024.30 × 45,333,138.60
  4. Step 4: Simplify right side
    147,564,016.20x = 10,034,309,998,150,868
  5. Step 5: Solve for x
    x = 10,034,309,998,150,868/147,564,016.20
  6. Step 6: Final answer
    x = 67,999,707.90

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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.