Home / 147,744,133.40-221,616,200.10-86,522,130.20

Finding the Fourth Proportional to 147,744,133.40, 221,616,200.10 and 86,522,130.20

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Solution

The fourth proportional to 147,744,133.40, 221,616,200.10 and 86,522,130.20 is: 129,783,195.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,744,133.40 : 221,616,200.10 = 86,522,130.20 : x
  2. Step 2: Convert to fraction form
    147,744,133.40/221,616,200.10 = 86,522,130.20/x
  3. Step 3: Cross multiply
    147,744,133.40x = 221,616,200.10 × 86,522,130.20
  4. Step 4: Simplify right side
    147,744,133.40x = 19,174,705,719,481,452
  5. Step 5: Solve for x
    x = 19,174,705,719,481,452/147,744,133.40
  6. Step 6: Final answer
    x = 129,783,195.30

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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.