Home / 137,555,313.64-189,819,471.46-75,674,061.16

Finding the Fourth Proportional to 137,555,313.64, 189,819,471.46 and 75,674,061.16

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Solution

The fourth proportional to 137,555,313.64, 189,819,471.46 and 75,674,061.16 is: 104,426,429.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,555,313.64 : 189,819,471.46 = 75,674,061.16 : x
  2. Step 2: Convert to fraction form
    137,555,313.64/189,819,471.46 = 75,674,061.16/x
  3. Step 3: Cross multiply
    137,555,313.64x = 189,819,471.46 × 75,674,061.16
  4. Step 4: Simplify right side
    137,555,313.64x = 14,364,410,292,622,914
  5. Step 5: Solve for x
    x = 14,364,410,292,622,914/137,555,313.64
  6. Step 6: Final answer
    x = 104,426,429.72

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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.