Home / 86,063,204.40-128,920,624.20-53,615,511.60

Finding the Fourth Proportional to 86,063,204.40, 128,920,624.20 and 53,615,511.60

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Solution

The fourth proportional to 86,063,204.40, 128,920,624.20 and 53,615,511.60 is: 80,314,755.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,063,204.40 : 128,920,624.20 = 53,615,511.60 : x
  2. Step 2: Convert to fraction form
    86,063,204.40/128,920,624.20 = 53,615,511.60/x
  3. Step 3: Cross multiply
    86,063,204.40x = 128,920,624.20 × 53,615,511.60
  4. Step 4: Simplify right side
    86,063,204.40x = 6,912,145,222,274,341
  5. Step 5: Solve for x
    x = 6,912,145,222,274,341/86,063,204.40
  6. Step 6: Final answer
    x = 80,314,755.54

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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.