Home / 136,518,272.40-204,777,408.60-39,477,145.80

Finding the Fourth Proportional to 136,518,272.40, 204,777,408.60 and 39,477,145.80

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Solution

The fourth proportional to 136,518,272.40, 204,777,408.60 and 39,477,145.80 is: 59,215,718.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,518,272.40 : 204,777,408.60 = 39,477,145.80 : x
  2. Step 2: Convert to fraction form
    136,518,272.40/204,777,408.60 = 39,477,145.80/x
  3. Step 3: Cross multiply
    136,518,272.40x = 204,777,408.60 × 39,477,145.80
  4. Step 4: Simplify right side
    136,518,272.40x = 8,084,027,615,848,373
  5. Step 5: Solve for x
    x = 8,084,027,615,848,373/136,518,272.40
  6. Step 6: Final answer
    x = 59,215,718.70

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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.