Home / 217,734,015.60-326,601,023.40-201,105,817.20

Finding the Fourth Proportional to 217,734,015.60, 326,601,023.40 and 201,105,817.20

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Solution

The fourth proportional to 217,734,015.60, 326,601,023.40 and 201,105,817.20 is: 301,658,725.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,734,015.60 : 326,601,023.40 = 201,105,817.20 : x
  2. Step 2: Convert to fraction form
    217,734,015.60/326,601,023.40 = 201,105,817.20/x
  3. Step 3: Cross multiply
    217,734,015.60x = 326,601,023.40 × 201,105,817.20
  4. Step 4: Simplify right side
    217,734,015.60x = 65,681,365,709,213,312
  5. Step 5: Solve for x
    x = 65,681,365,709,213,312/217,734,015.60
  6. Step 6: Final answer
    x = 301,658,725.80

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1.5x scale

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.