Home / 137,259,661.33-189,417,644.26-74,535,199.00

Finding the Fourth Proportional to 137,259,661.33, 189,417,644.26 and 74,535,199.00

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Solution

The fourth proportional to 137,259,661.33, 189,417,644.26 and 74,535,199.00 is: 102,858,200.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,259,661.33 : 189,417,644.26 = 74,535,199.00 : x
  2. Step 2: Convert to fraction form
    137,259,661.33/189,417,644.26 = 74,535,199.00/x
  3. Step 3: Cross multiply
    137,259,661.33x = 189,417,644.26 × 74,535,199.00
  4. Step 4: Simplify right side
    137,259,661.33x = 14,118,281,809,080,742
  5. Step 5: Solve for x
    x = 14,118,281,809,080,742/137,259,661.33
  6. Step 6: Final answer
    x = 102,858,200.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.