Home / 109,213,269.60-163,819,904.40-98,253,775.20

Finding the Fourth Proportional to 109,213,269.60, 163,819,904.40 and 98,253,775.20

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Solution

The fourth proportional to 109,213,269.60, 163,819,904.40 and 98,253,775.20 is: 147,380,662.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,213,269.60 : 163,819,904.40 = 98,253,775.20 : x
  2. Step 2: Convert to fraction form
    109,213,269.60/163,819,904.40 = 98,253,775.20/x
  3. Step 3: Cross multiply
    109,213,269.60x = 163,819,904.40 × 98,253,775.20
  4. Step 4: Simplify right side
    109,213,269.60x = 16,095,924,060,203,092
  5. Step 5: Solve for x
    x = 16,095,924,060,203,092/109,213,269.60
  6. Step 6: Final answer
    x = 147,380,662.80

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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.