Home / 124,269,905.12-186,374,953.56-38,009,056.64

Finding the Fourth Proportional to 124,269,905.12, 186,374,953.56 and 38,009,056.64

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Solution

The fourth proportional to 124,269,905.12, 186,374,953.56 and 38,009,056.64 is: 57,004,438.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,269,905.12 : 186,374,953.56 = 38,009,056.64 : x
  2. Step 2: Convert to fraction form
    124,269,905.12/186,374,953.56 = 38,009,056.64/x
  3. Step 3: Cross multiply
    124,269,905.12x = 186,374,953.56 × 38,009,056.64
  4. Step 4: Simplify right side
    124,269,905.12x = 7,083,936,166,139,410
  5. Step 5: Solve for x
    x = 7,083,936,166,139,410/124,269,905.12
  6. Step 6: Final answer
    x = 57,004,438.52

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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.