Home / 156,560,015.40-234,840,023.10-133,381,314.60

Finding the Fourth Proportional to 156,560,015.40, 234,840,023.10 and 133,381,314.60

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Solution

The fourth proportional to 156,560,015.40, 234,840,023.10 and 133,381,314.60 is: 200,071,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,560,015.40 : 234,840,023.10 = 133,381,314.60 : x
  2. Step 2: Convert to fraction form
    156,560,015.40/234,840,023.10 = 133,381,314.60/x
  3. Step 3: Cross multiply
    156,560,015.40x = 234,840,023.10 × 133,381,314.60
  4. Step 4: Simplify right side
    156,560,015.40x = 31,323,271,001,772,364
  5. Step 5: Solve for x
    x = 31,323,271,001,772,364/156,560,015.40
  6. Step 6: Final answer
    x = 200,071,971.90

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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.