Home / 209,953,052.40-314,929,578.60-194,647,551.60

Finding the Fourth Proportional to 209,953,052.40, 314,929,578.60 and 194,647,551.60

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Solution

The fourth proportional to 209,953,052.40, 314,929,578.60 and 194,647,551.60 is: 291,971,327.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,052.40 : 314,929,578.60 = 194,647,551.60 : x
  2. Step 2: Convert to fraction form
    209,953,052.40/314,929,578.60 = 194,647,551.60/x
  3. Step 3: Cross multiply
    209,953,052.40x = 314,929,578.60 × 194,647,551.60
  4. Step 4: Simplify right side
    209,953,052.40x = 61,300,271,400,909,760
  5. Step 5: Solve for x
    x = 61,300,271,400,909,760/209,953,052.40
  6. Step 6: Final answer
    x = 291,971,327.40

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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.