Home / 146,782,816.20-220,174,224.30-98,409,875.40

Finding the Fourth Proportional to 146,782,816.20, 220,174,224.30 and 98,409,875.40

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Solution

The fourth proportional to 146,782,816.20, 220,174,224.30 and 98,409,875.40 is: 147,614,813.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,782,816.20 : 220,174,224.30 = 98,409,875.40 : x
  2. Step 2: Convert to fraction form
    146,782,816.20/220,174,224.30 = 98,409,875.40/x
  3. Step 3: Cross multiply
    146,782,816.20x = 220,174,224.30 × 98,409,875.40
  4. Step 4: Simplify right side
    146,782,816.20x = 21,667,317,979,654,656
  5. Step 5: Solve for x
    x = 21,667,317,979,654,656/146,782,816.20
  6. Step 6: Final answer
    x = 147,614,813.10

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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.