Home / 161,788,723,949.70-223,268,806,373.86-89,536,046,297.22

Finding the Fourth Proportional to 161,788,723,949.70, 223,268,806,373.86 and 89,536,046,297.22

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Solution

The fourth proportional to 161,788,723,949.70, 223,268,806,373.86 and 89,536,046,297.22 is: 123,559,947,171.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,788,723,949.70 : 223,268,806,373.86 = 89,536,046,297.22 : x
  2. Step 2: Convert to fraction form
    161,788,723,949.70/223,268,806,373.86 = 89,536,046,297.22/x
  3. Step 3: Cross multiply
    161,788,723,949.70x = 223,268,806,373.86 × 89,536,046,297.22
  4. Step 4: Simplify right side
    161,788,723,949.70x = 19,990,606,184,215,866,245,120
  5. Step 5: Solve for x
    x = 19,990,606,184,215,866,245,120/161,788,723,949.70
  6. Step 6: Final answer
    x = 123,559,947,171.79

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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.