Home / 93,636,005.40-140,454,008.10-76,615,896.60

Finding the Fourth Proportional to 93,636,005.40, 140,454,008.10 and 76,615,896.60

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Solution

The fourth proportional to 93,636,005.40, 140,454,008.10 and 76,615,896.60 is: 114,923,844.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,636,005.40 : 140,454,008.10 = 76,615,896.60 : x
  2. Step 2: Convert to fraction form
    93,636,005.40/140,454,008.10 = 76,615,896.60/x
  3. Step 3: Cross multiply
    93,636,005.40x = 140,454,008.10 × 76,615,896.60
  4. Step 4: Simplify right side
    93,636,005.40x = 10,761,009,761,645,162
  5. Step 5: Solve for x
    x = 10,761,009,761,645,162/93,636,005.40
  6. Step 6: Final answer
    x = 114,923,844.90

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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.