Home / 137,259,661.15-189,417,644.00-74,535,198.81

Finding the Fourth Proportional to 137,259,661.15, 189,417,644.00 and 74,535,198.81

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Solution

The fourth proportional to 137,259,661.15, 189,417,644.00 and 74,535,198.81 is: 102,858,200.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,259,661.15 : 189,417,644.00 = 74,535,198.81 : x
  2. Step 2: Convert to fraction form
    137,259,661.15/189,417,644.00 = 74,535,198.81/x
  3. Step 3: Cross multiply
    137,259,661.15x = 189,417,644.00 × 74,535,198.81
  4. Step 4: Simplify right side
    137,259,661.15x = 14,118,281,754,195,534
  5. Step 5: Solve for x
    x = 14,118,281,754,195,534/137,259,661.15
  6. Step 6: Final answer
    x = 102,858,200.55

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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.