Home / 228,751,803.19-315,680,685.38-124,329,843.19

Finding the Fourth Proportional to 228,751,803.19, 315,680,685.38 and 124,329,843.19

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Solution

The fourth proportional to 228,751,803.19, 315,680,685.38 and 124,329,843.19 is: 171,576,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,751,803.19 : 315,680,685.38 = 124,329,843.19 : x
  2. Step 2: Convert to fraction form
    228,751,803.19/315,680,685.38 = 124,329,843.19/x
  3. Step 3: Cross multiply
    228,751,803.19x = 315,680,685.38 × 124,329,843.19
  4. Step 4: Simplify right side
    228,751,803.19x = 39,248,530,111,407,128
  5. Step 5: Solve for x
    x = 39,248,530,111,407,128/228,751,803.19
  6. Step 6: Final answer
    x = 171,576,921.20

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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.