Home / 209,842,704.40-314,764,056.60-73,510,373.20

Finding the Fourth Proportional to 209,842,704.40, 314,764,056.60 and 73,510,373.20

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Solution

The fourth proportional to 209,842,704.40, 314,764,056.60 and 73,510,373.20 is: 110,265,559.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,842,704.40 : 314,764,056.60 = 73,510,373.20 : x
  2. Step 2: Convert to fraction form
    209,842,704.40/314,764,056.60 = 73,510,373.20/x
  3. Step 3: Cross multiply
    209,842,704.40x = 314,764,056.60 × 73,510,373.20
  4. Step 4: Simplify right side
    209,842,704.40x = 23,138,423,270,611,924
  5. Step 5: Solve for x
    x = 23,138,423,270,611,924/209,842,704.40
  6. Step 6: Final answer
    x = 110,265,559.80

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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.