Home / 107,744,492.40-161,616,738.60-75,432,879.60

Finding the Fourth Proportional to 107,744,492.40, 161,616,738.60 and 75,432,879.60

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Solution

The fourth proportional to 107,744,492.40, 161,616,738.60 and 75,432,879.60 is: 113,149,319.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,744,492.40 : 161,616,738.60 = 75,432,879.60 : x
  2. Step 2: Convert to fraction form
    107,744,492.40/161,616,738.60 = 75,432,879.60/x
  3. Step 3: Cross multiply
    107,744,492.40x = 161,616,738.60 × 75,432,879.60
  4. Step 4: Simplify right side
    107,744,492.40x = 12,191,215,984,158,472
  5. Step 5: Solve for x
    x = 12,191,215,984,158,472/107,744,492.40
  6. Step 6: Final answer
    x = 113,149,319.40

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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.