Home / 113,023,961.40-169,283,999.70-87,325,836.60

Finding the Fourth Proportional to 113,023,961.40, 169,283,999.70 and 87,325,836.60

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Solution

The fourth proportional to 113,023,961.40, 169,283,999.70 and 87,325,836.60 is: 130,794,096.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,023,961.40 : 169,283,999.70 = 87,325,836.60 : x
  2. Step 2: Convert to fraction form
    113,023,961.40/169,283,999.70 = 87,325,836.60/x
  3. Step 3: Cross multiply
    113,023,961.40x = 169,283,999.70 × 87,325,836.60
  4. Step 4: Simplify right side
    113,023,961.40x = 14,782,866,896,796,646
  5. Step 5: Solve for x
    x = 14,782,866,896,796,646/113,023,961.40
  6. Step 6: Final answer
    x = 130,794,096.35

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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.