Home / 93,073,928.37-139,429,268.25-72,507,348.51

Finding the Fourth Proportional to 93,073,928.37, 139,429,268.25 and 72,507,348.51

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Solution

The fourth proportional to 93,073,928.37, 139,429,268.25 and 72,507,348.51 is: 108,619,532.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,073,928.37 : 139,429,268.25 = 72,507,348.51 : x
  2. Step 2: Convert to fraction form
    93,073,928.37/139,429,268.25 = 72,507,348.51/x
  3. Step 3: Cross multiply
    93,073,928.37x = 139,429,268.25 × 72,507,348.51
  4. Step 4: Simplify right side
    93,073,928.37x = 10,109,646,545,497,028
  5. Step 5: Solve for x
    x = 10,109,646,545,497,028/93,073,928.37
  6. Step 6: Final answer
    x = 108,619,532.05

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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.