Home / 210,542,331.78-290,528,918.37-116,454,453.44

Finding the Fourth Proportional to 210,542,331.78, 290,528,918.37 and 116,454,453.44

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Solution

The fourth proportional to 210,542,331.78, 290,528,918.37 and 116,454,453.44 is: 160,696,360.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,542,331.78 : 290,528,918.37 = 116,454,453.44 : x
  2. Step 2: Convert to fraction form
    210,542,331.78/290,528,918.37 = 116,454,453.44/x
  3. Step 3: Cross multiply
    210,542,331.78x = 290,528,918.37 × 116,454,453.44
  4. Step 4: Simplify right side
    210,542,331.78x = 33,833,386,395,840,084
  5. Step 5: Solve for x
    x = 33,833,386,395,840,084/210,542,331.78
  6. Step 6: Final answer
    x = 160,696,360.25

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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.