Home / 165,137,409.60-247,706,114.40-68,043,138.90

Finding the Fourth Proportional to 165,137,409.60, 247,706,114.40 and 68,043,138.90

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Solution

The fourth proportional to 165,137,409.60, 247,706,114.40 and 68,043,138.90 is: 102,064,708.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,137,409.60 : 247,706,114.40 = 68,043,138.90 : x
  2. Step 2: Convert to fraction form
    165,137,409.60/247,706,114.40 = 68,043,138.90/x
  3. Step 3: Cross multiply
    165,137,409.60x = 247,706,114.40 × 68,043,138.90
  4. Step 4: Simplify right side
    165,137,409.60x = 16,854,701,548,498,492
  5. Step 5: Solve for x
    x = 16,854,701,548,498,492/165,137,409.60
  6. Step 6: Final answer
    x = 102,064,708.35

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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.