Home / 93,639,824.40-140,459,736.60-76,619,715.60

Finding the Fourth Proportional to 93,639,824.40, 140,459,736.60 and 76,619,715.60

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Solution

The fourth proportional to 93,639,824.40, 140,459,736.60 and 76,619,715.60 is: 114,929,573.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,639,824.40 : 140,459,736.60 = 76,619,715.60 : x
  2. Step 2: Convert to fraction form
    93,639,824.40/140,459,736.60 = 76,619,715.60/x
  3. Step 3: Cross multiply
    93,639,824.40x = 140,459,736.60 × 76,619,715.60
  4. Step 4: Simplify right side
    93,639,824.40x = 10,761,985,071,542,910
  5. Step 5: Solve for x
    x = 10,761,985,071,542,910/93,639,824.40
  6. Step 6: Final answer
    x = 114,929,573.40

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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.