Home / 55,886,344.56-77,122,566.27-31,106,136.51

Finding the Fourth Proportional to 55,886,344.56, 77,122,566.27 and 31,106,136.51

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Solution

The fourth proportional to 55,886,344.56, 77,122,566.27 and 31,106,136.51 is: 42,926,140.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,886,344.56 : 77,122,566.27 = 31,106,136.51 : x
  2. Step 2: Convert to fraction form
    55,886,344.56/77,122,566.27 = 31,106,136.51/x
  3. Step 3: Cross multiply
    55,886,344.56x = 77,122,566.27 × 31,106,136.51
  4. Step 4: Simplify right side
    55,886,344.56x = 2,398,985,074,396,141.50
  5. Step 5: Solve for x
    x = 2,398,985,074,396,141.50/55,886,344.56
  6. Step 6: Final answer
    x = 42,926,140.42

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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.