Home / 109,213,253.60-163,819,880.40-98,253,759.20

Finding the Fourth Proportional to 109,213,253.60, 163,819,880.40 and 98,253,759.20

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Solution

The fourth proportional to 109,213,253.60, 163,819,880.40 and 98,253,759.20 is: 147,380,638.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,213,253.60 : 163,819,880.40 = 98,253,759.20 : x
  2. Step 2: Convert to fraction form
    109,213,253.60/163,819,880.40 = 98,253,759.20/x
  3. Step 3: Cross multiply
    109,213,253.60x = 163,819,880.40 × 98,253,759.20
  4. Step 4: Simplify right side
    109,213,253.60x = 16,095,919,080,994,400
  5. Step 5: Solve for x
    x = 16,095,919,080,994,400/109,213,253.60
  6. Step 6: Final answer
    x = 147,380,638.80

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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.