Home / 216,551,464.40-324,827,196.60-165,533,128.40

Finding the Fourth Proportional to 216,551,464.40, 324,827,196.60 and 165,533,128.40

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Solution

The fourth proportional to 216,551,464.40, 324,827,196.60 and 165,533,128.40 is: 248,299,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,551,464.40 : 324,827,196.60 = 165,533,128.40 : x
  2. Step 2: Convert to fraction form
    216,551,464.40/324,827,196.60 = 165,533,128.40/x
  3. Step 3: Cross multiply
    216,551,464.40x = 324,827,196.60 × 165,533,128.40
  4. Step 4: Simplify right side
    216,551,464.40x = 53,769,662,042,599,848
  5. Step 5: Solve for x
    x = 53,769,662,042,599,848/216,551,464.40
  6. Step 6: Final answer
    x = 248,299,692.60

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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.