Home / 107,408,212.80-161,112,319.20-30,733,742.40

Finding the Fourth Proportional to 107,408,212.80, 161,112,319.20 and 30,733,742.40

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Solution

The fourth proportional to 107,408,212.80, 161,112,319.20 and 30,733,742.40 is: 46,100,613.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,408,212.80 : 161,112,319.20 = 30,733,742.40 : x
  2. Step 2: Convert to fraction form
    107,408,212.80/161,112,319.20 = 30,733,742.40/x
  3. Step 3: Cross multiply
    107,408,212.80x = 161,112,319.20 × 30,733,742.40
  4. Step 4: Simplify right side
    107,408,212.80x = 4,951,584,515,759,373
  5. Step 5: Solve for x
    x = 4,951,584,515,759,373/107,408,212.80
  6. Step 6: Final answer
    x = 46,100,613.60

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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.