Home / 130,372,321.80-195,582,102.30-65,512,900.20

Finding the Fourth Proportional to 130,372,321.80, 195,582,102.30 and 65,512,900.20

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Solution

The fourth proportional to 130,372,321.80, 195,582,102.30 and 65,512,900.20 is: 98,281,219.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,372,321.80 : 195,582,102.30 = 65,512,900.20 : x
  2. Step 2: Convert to fraction form
    130,372,321.80/195,582,102.30 = 65,512,900.20/x
  3. Step 3: Cross multiply
    130,372,321.80x = 195,582,102.30 × 65,512,900.20
  4. Step 4: Simplify right side
    130,372,321.80x = 12,813,150,748,886,092
  5. Step 5: Solve for x
    x = 12,813,150,748,886,092/130,372,321.80
  6. Step 6: Final answer
    x = 98,281,219.30

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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.