Home / 209,952,287.60-314,928,431.40-194,646,786.80

Finding the Fourth Proportional to 209,952,287.60, 314,928,431.40 and 194,646,786.80

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Solution

The fourth proportional to 209,952,287.60, 314,928,431.40 and 194,646,786.80 is: 291,970,180.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,287.60 : 314,928,431.40 = 194,646,786.80 : x
  2. Step 2: Convert to fraction form
    209,952,287.60/314,928,431.40 = 194,646,786.80/x
  3. Step 3: Cross multiply
    209,952,287.60x = 314,928,431.40 × 194,646,786.80
  4. Step 4: Simplify right side
    209,952,287.60x = 61,299,807,243,974,224
  5. Step 5: Solve for x
    x = 61,299,807,243,974,224/209,952,287.60
  6. Step 6: Final answer
    x = 291,970,180.20

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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.