Home / 135,906,929.60-203,851,063.20-43,789,323.20

Finding the Fourth Proportional to 135,906,929.60, 203,851,063.20 and 43,789,323.20

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Solution

The fourth proportional to 135,906,929.60, 203,851,063.20 and 43,789,323.20 is: 65,680,978.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,906,929.60 : 203,851,063.20 = 43,789,323.20 : x
  2. Step 2: Convert to fraction form
    135,906,929.60/203,851,063.20 = 43,789,323.20/x
  3. Step 3: Cross multiply
    135,906,929.60x = 203,851,063.20 × 43,789,323.20
  4. Step 4: Simplify right side
    135,906,929.60x = 8,926,500,091,128,426
  5. Step 5: Solve for x
    x = 8,926,500,091,128,426/135,906,929.60
  6. Step 6: Final answer
    x = 65,680,978.28

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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.