Home / 93,065,981.40-139,598,972.10-85,003,824.60

Finding the Fourth Proportional to 93,065,981.40, 139,598,972.10 and 85,003,824.60

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Solution

The fourth proportional to 93,065,981.40, 139,598,972.10 and 85,003,824.60 is: 127,505,736.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,065,981.40 : 139,598,972.10 = 85,003,824.60 : x
  2. Step 2: Convert to fraction form
    93,065,981.40/139,598,972.10 = 85,003,824.60/x
  3. Step 3: Cross multiply
    93,065,981.40x = 139,598,972.10 × 85,003,824.60
  4. Step 4: Simplify right side
    93,065,981.40x = 11,866,446,538,728,692
  5. Step 5: Solve for x
    x = 11,866,446,538,728,692/93,065,981.40
  6. Step 6: Final answer
    x = 127,505,736.90

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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.