Home / 130,480,015.40-195,720,023.10-87,481,845.80

Finding the Fourth Proportional to 130,480,015.40, 195,720,023.10 and 87,481,845.80

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Solution

The fourth proportional to 130,480,015.40, 195,720,023.10 and 87,481,845.80 is: 131,222,768.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,480,015.40 : 195,720,023.10 = 87,481,845.80 : x
  2. Step 2: Convert to fraction form
    130,480,015.40/195,720,023.10 = 87,481,845.80/x
  3. Step 3: Cross multiply
    130,480,015.40x = 195,720,023.10 × 87,481,845.80
  4. Step 4: Simplify right side
    130,480,015.40x = 17,121,948,880,806,636
  5. Step 5: Solve for x
    x = 17,121,948,880,806,636/130,480,015.40
  6. Step 6: Final answer
    x = 131,222,768.70

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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.