Home / 215,916,857.60-323,875,286.40-195,089,619.20

Finding the Fourth Proportional to 215,916,857.60, 323,875,286.40 and 195,089,619.20

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Solution

The fourth proportional to 215,916,857.60, 323,875,286.40 and 195,089,619.20 is: 292,634,428.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,916,857.60 : 323,875,286.40 = 195,089,619.20 : x
  2. Step 2: Convert to fraction form
    215,916,857.60/323,875,286.40 = 195,089,619.20/x
  3. Step 3: Cross multiply
    215,916,857.60x = 323,875,286.40 × 195,089,619.20
  4. Step 4: Simplify right side
    215,916,857.60x = 63,184,706,292,066,928
  5. Step 5: Solve for x
    x = 63,184,706,292,066,928/215,916,857.60
  6. Step 6: Final answer
    x = 292,634,428.80

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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.