Home / 313,232,657.60-469,848,986.40-131,834,129.60

Finding the Fourth Proportional to 313,232,657.60, 469,848,986.40 and 131,834,129.60

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Solution

The fourth proportional to 313,232,657.60, 469,848,986.40 and 131,834,129.60 is: 197,751,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,232,657.60 : 469,848,986.40 = 131,834,129.60 : x
  2. Step 2: Convert to fraction form
    313,232,657.60/469,848,986.40 = 131,834,129.60/x
  3. Step 3: Cross multiply
    313,232,657.60x = 469,848,986.40 × 131,834,129.60
  4. Step 4: Simplify right side
    313,232,657.60x = 61,942,132,165,486,232
  5. Step 5: Solve for x
    x = 61,942,132,165,486,232/313,232,657.60
  6. Step 6: Final answer
    x = 197,751,194.40

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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.