Home / 147,622,969.20-221,434,453.80-146,772,663.60

Finding the Fourth Proportional to 147,622,969.20, 221,434,453.80 and 146,772,663.60

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Solution

The fourth proportional to 147,622,969.20, 221,434,453.80 and 146,772,663.60 is: 220,158,995.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,622,969.20 : 221,434,453.80 = 146,772,663.60 : x
  2. Step 2: Convert to fraction form
    147,622,969.20/221,434,453.80 = 146,772,663.60/x
  3. Step 3: Cross multiply
    147,622,969.20x = 221,434,453.80 × 146,772,663.60
  4. Step 4: Simplify right side
    147,622,969.20x = 32,500,524,597,037,144
  5. Step 5: Solve for x
    x = 32,500,524,597,037,144/147,622,969.20
  6. Step 6: Final answer
    x = 220,158,995.40

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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.