Home / 130,005,680.40-195,008,520.60-43,715,408.40

Finding the Fourth Proportional to 130,005,680.40, 195,008,520.60 and 43,715,408.40

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Solution

The fourth proportional to 130,005,680.40, 195,008,520.60 and 43,715,408.40 is: 65,573,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,005,680.40 : 195,008,520.60 = 43,715,408.40 : x
  2. Step 2: Convert to fraction form
    130,005,680.40/195,008,520.60 = 43,715,408.40/x
  3. Step 3: Cross multiply
    130,005,680.40x = 195,008,520.60 × 43,715,408.40
  4. Step 4: Simplify right side
    130,005,680.40x = 8,524,877,119,508,812
  5. Step 5: Solve for x
    x = 8,524,877,119,508,812/130,005,680.40
  6. Step 6: Final answer
    x = 65,573,112.60

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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.