Home / 93,073,994.25-139,429,366.92-72,507,414.60

Finding the Fourth Proportional to 93,073,994.25, 139,429,366.92 and 72,507,414.60

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Solution

The fourth proportional to 93,073,994.25, 139,429,366.92 and 72,507,414.60 is: 108,619,631.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,073,994.25 : 139,429,366.92 = 72,507,414.60 : x
  2. Step 2: Convert to fraction form
    93,073,994.25/139,429,366.92 = 72,507,414.60/x
  3. Step 3: Cross multiply
    93,073,994.25x = 139,429,366.92 × 72,507,414.60
  4. Step 4: Simplify right side
    93,073,994.25x = 10,109,662,914,683,964
  5. Step 5: Solve for x
    x = 10,109,662,914,683,964/93,073,994.25
  6. Step 6: Final answer
    x = 108,619,631.04

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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.