Home / 93,321,930.90-139,982,896.35-74,048,337.30

Finding the Fourth Proportional to 93,321,930.90, 139,982,896.35 and 74,048,337.30

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Solution

The fourth proportional to 93,321,930.90, 139,982,896.35 and 74,048,337.30 is: 111,072,505.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,321,930.90 : 139,982,896.35 = 74,048,337.30 : x
  2. Step 2: Convert to fraction form
    93,321,930.90/139,982,896.35 = 74,048,337.30/x
  3. Step 3: Cross multiply
    93,321,930.90x = 139,982,896.35 × 74,048,337.30
  4. Step 4: Simplify right side
    93,321,930.90x = 10,365,500,725,155,738
  5. Step 5: Solve for x
    x = 10,365,500,725,155,738/93,321,930.90
  6. Step 6: Final answer
    x = 111,072,505.95

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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.