Home / 105,410,741.40-158,143,373.16-61,728,390.72

Finding the Fourth Proportional to 105,410,741.40, 158,143,373.16 and 61,728,390.72

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Solution

The fourth proportional to 105,410,741.40, 158,143,373.16 and 61,728,390.72 is: 92,608,550.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,410,741.40 : 158,143,373.16 = 61,728,390.72 : x
  2. Step 2: Convert to fraction form
    105,410,741.40/158,143,373.16 = 61,728,390.72/x
  3. Step 3: Cross multiply
    105,410,741.40x = 158,143,373.16 × 61,728,390.72
  4. Step 4: Simplify right side
    105,410,741.40x = 9,761,935,928,199,240
  5. Step 5: Solve for x
    x = 9,761,935,928,199,240/105,410,741.40
  6. Step 6: Final answer
    x = 92,608,550.12

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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.