Home / 81,652,134.40-122,478,201.60-36,302,502.40

Finding the Fourth Proportional to 81,652,134.40, 122,478,201.60 and 36,302,502.40

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Solution

The fourth proportional to 81,652,134.40, 122,478,201.60 and 36,302,502.40 is: 54,453,753.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,652,134.40 : 122,478,201.60 = 36,302,502.40 : x
  2. Step 2: Convert to fraction form
    81,652,134.40/122,478,201.60 = 36,302,502.40/x
  3. Step 3: Cross multiply
    81,652,134.40x = 122,478,201.60 × 36,302,502.40
  4. Step 4: Simplify right side
    81,652,134.40x = 4,446,265,207,531,683.50
  5. Step 5: Solve for x
    x = 4,446,265,207,531,683.50/81,652,134.40
  6. Step 6: Final answer
    x = 54,453,753.60

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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.