Home / 113,023,963.40-169,284,002.70-87,325,838.60

Finding the Fourth Proportional to 113,023,963.40, 169,284,002.70 and 87,325,838.60

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Solution

The fourth proportional to 113,023,963.40, 169,284,002.70 and 87,325,838.60 is: 130,794,099.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,023,963.40 : 169,284,002.70 = 87,325,838.60 : x
  2. Step 2: Convert to fraction form
    113,023,963.40/169,284,002.70 = 87,325,838.60/x
  3. Step 3: Cross multiply
    113,023,963.40x = 169,284,002.70 × 87,325,838.60
  4. Step 4: Simplify right side
    113,023,963.40x = 14,782,867,497,342,162
  5. Step 5: Solve for x
    x = 14,782,867,497,342,162/113,023,963.40
  6. Step 6: Final answer
    x = 130,794,099.35

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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.