Home / 113,023,965.40-169,284,005.70-87,325,840.60

Finding the Fourth Proportional to 113,023,965.40, 169,284,005.70 and 87,325,840.60

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Solution

The fourth proportional to 113,023,965.40, 169,284,005.70 and 87,325,840.60 is: 130,794,102.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,023,965.40 : 169,284,005.70 = 87,325,840.60 : x
  2. Step 2: Convert to fraction form
    113,023,965.40/169,284,005.70 = 87,325,840.60/x
  3. Step 3: Cross multiply
    113,023,965.40x = 169,284,005.70 × 87,325,840.60
  4. Step 4: Simplify right side
    113,023,965.40x = 14,782,868,097,887,690
  5. Step 5: Solve for x
    x = 14,782,868,097,887,690/113,023,965.40
  6. Step 6: Final answer
    x = 130,794,102.34

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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.