Home / 156,628,881.40-234,943,322.10-133,450,180.60

Finding the Fourth Proportional to 156,628,881.40, 234,943,322.10 and 133,450,180.60

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Solution

The fourth proportional to 156,628,881.40, 234,943,322.10 and 133,450,180.60 is: 200,175,270.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,628,881.40 : 234,943,322.10 = 133,450,180.60 : x
  2. Step 2: Convert to fraction form
    156,628,881.40/234,943,322.10 = 133,450,180.60/x
  3. Step 3: Cross multiply
    156,628,881.40x = 234,943,322.10 × 133,450,180.60
  4. Step 4: Simplify right side
    156,628,881.40x = 31,353,228,765,008,968
  5. Step 5: Solve for x
    x = 31,353,228,765,008,968/156,628,881.40
  6. Step 6: Final answer
    x = 200,175,270.90

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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.