Home / 289,301,272.93-399,268,875.05-162,176,286.22

Finding the Fourth Proportional to 289,301,272.93, 399,268,875.05 and 162,176,286.22

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Solution

The fourth proportional to 289,301,272.93, 399,268,875.05 and 162,176,286.22 is: 223,821,840.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,301,272.93 : 399,268,875.05 = 162,176,286.22 : x
  2. Step 2: Convert to fraction form
    289,301,272.93/399,268,875.05 = 162,176,286.22/x
  3. Step 3: Cross multiply
    289,301,272.93x = 399,268,875.05 × 162,176,286.22
  4. Step 4: Simplify right side
    289,301,272.93x = 64,751,943,358,846,216
  5. Step 5: Solve for x
    x = 64,751,943,358,846,216/289,301,272.93
  6. Step 6: Final answer
    x = 223,821,840.47

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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.