Home / 93,639,802.40-140,459,703.60-76,619,693.60

Finding the Fourth Proportional to 93,639,802.40, 140,459,703.60 and 76,619,693.60

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Solution

The fourth proportional to 93,639,802.40, 140,459,703.60 and 76,619,693.60 is: 114,929,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,639,802.40 : 140,459,703.60 = 76,619,693.60 : x
  2. Step 2: Convert to fraction form
    93,639,802.40/140,459,703.60 = 76,619,693.60/x
  3. Step 3: Cross multiply
    93,639,802.40x = 140,459,703.60 × 76,619,693.60
  4. Step 4: Simplify right side
    93,639,802.40x = 10,761,979,452,978,816
  5. Step 5: Solve for x
    x = 10,761,979,452,978,816/93,639,802.40
  6. Step 6: Final answer
    x = 114,929,540.40

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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.