Home / 209,954,840.70-314,932,261.05-189,547,506.30

Finding the Fourth Proportional to 209,954,840.70, 314,932,261.05 and 189,547,506.30

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Solution

The fourth proportional to 209,954,840.70, 314,932,261.05 and 189,547,506.30 is: 284,321,259.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,954,840.70 : 314,932,261.05 = 189,547,506.30 : x
  2. Step 2: Convert to fraction form
    209,954,840.70/314,932,261.05 = 189,547,506.30/x
  3. Step 3: Cross multiply
    209,954,840.70x = 314,932,261.05 × 189,547,506.30
  4. Step 4: Simplify right side
    209,954,840.70x = 59,694,624,735,448,128
  5. Step 5: Solve for x
    x = 59,694,624,735,448,128/209,954,840.70
  6. Step 6: Final answer
    x = 284,321,259.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.