Home / 146,771,054.40-220,156,581.60-66,149,486.40

Finding the Fourth Proportional to 146,771,054.40, 220,156,581.60 and 66,149,486.40

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Solution

The fourth proportional to 146,771,054.40, 220,156,581.60 and 66,149,486.40 is: 99,224,229.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,771,054.40 : 220,156,581.60 = 66,149,486.40 : x
  2. Step 2: Convert to fraction form
    146,771,054.40/220,156,581.60 = 66,149,486.40/x
  3. Step 3: Cross multiply
    146,771,054.40x = 220,156,581.60 × 66,149,486.40
  4. Step 4: Simplify right side
    146,771,054.40x = 14,563,244,800,419,690
  5. Step 5: Solve for x
    x = 14,563,244,800,419,690/146,771,054.40
  6. Step 6: Final answer
    x = 99,224,229.60

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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.