Home / 57,170,853.36-78,896,277.17-31,065,370.65

Finding the Fourth Proportional to 57,170,853.36, 78,896,277.17 and 31,065,370.65

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Solution

The fourth proportional to 57,170,853.36, 78,896,277.17 and 31,065,370.65 is: 42,870,482.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,170,853.36 : 78,896,277.17 = 31,065,370.65 : x
  2. Step 2: Convert to fraction form
    57,170,853.36/78,896,277.17 = 31,065,370.65/x
  3. Step 3: Cross multiply
    57,170,853.36x = 78,896,277.17 × 31,065,370.65
  4. Step 4: Simplify right side
    57,170,853.36x = 2,450,942,093,191,183
  5. Step 5: Solve for x
    x = 2,450,942,093,191,183/57,170,853.36
  6. Step 6: Final answer
    x = 42,870,482.93

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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.