Home / 130,478,676.40-195,718,014.60-87,480,506.80

Finding the Fourth Proportional to 130,478,676.40, 195,718,014.60 and 87,480,506.80

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Solution

The fourth proportional to 130,478,676.40, 195,718,014.60 and 87,480,506.80 is: 131,220,760.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,478,676.40 : 195,718,014.60 = 87,480,506.80 : x
  2. Step 2: Convert to fraction form
    130,478,676.40/195,718,014.60 = 87,480,506.80/x
  3. Step 3: Cross multiply
    130,478,676.40x = 195,718,014.60 × 87,480,506.80
  4. Step 4: Simplify right side
    130,478,676.40x = 17,121,511,107,097,798
  5. Step 5: Solve for x
    x = 17,121,511,107,097,798/130,478,676.40
  6. Step 6: Final answer
    x = 131,220,760.20

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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.