Home / 137,555,314.64-189,819,472.84-75,674,062.16

Finding the Fourth Proportional to 137,555,314.64, 189,819,472.84 and 75,674,062.16

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Solution

The fourth proportional to 137,555,314.64, 189,819,472.84 and 75,674,062.16 is: 104,426,431.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,555,314.64 : 189,819,472.84 = 75,674,062.16 : x
  2. Step 2: Convert to fraction form
    137,555,314.64/189,819,472.84 = 75,674,062.16/x
  3. Step 3: Cross multiply
    137,555,314.64x = 189,819,472.84 × 75,674,062.16
  4. Step 4: Simplify right side
    137,555,314.64x = 14,364,410,586,872,592
  5. Step 5: Solve for x
    x = 14,364,410,586,872,592/137,555,314.64
  6. Step 6: Final answer
    x = 104,426,431.10

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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.