Home / 119,364,993.12-179,037,232-72,666,357.92

Finding the Fourth Proportional to 119,364,993.12, 179,037,232 and 72,666,357.92

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Solution

The fourth proportional to 119,364,993.12, 179,037,232 and 72,666,357.92 is: 108,993,292.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,364,993.12 : 179,037,232 = 72,666,357.92 : x
  2. Step 2: Convert to fraction form
    119,364,993.12/179,037,232 = 72,666,357.92/x
  3. Step 3: Cross multiply
    119,364,993.12x = 179,037,232 × 72,666,357.92
  4. Step 4: Simplify right side
    119,364,993.12x = 13,009,983,581,518,078
  5. Step 5: Solve for x
    x = 13,009,983,581,518,078/119,364,993.12
  6. Step 6: Final answer
    x = 108,993,292.27

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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.