Home / 156,628,913.40-234,943,370.10-133,450,212.60

Finding the Fourth Proportional to 156,628,913.40, 234,943,370.10 and 133,450,212.60

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Solution

The fourth proportional to 156,628,913.40, 234,943,370.10 and 133,450,212.60 is: 200,175,318.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,628,913.40 : 234,943,370.10 = 133,450,212.60 : x
  2. Step 2: Convert to fraction form
    156,628,913.40/234,943,370.10 = 133,450,212.60/x
  3. Step 3: Cross multiply
    156,628,913.40x = 234,943,370.10 × 133,450,212.60
  4. Step 4: Simplify right side
    156,628,913.40x = 31,353,242,688,805,480
  5. Step 5: Solve for x
    x = 31,353,242,688,805,480/156,628,913.40
  6. Step 6: Final answer
    x = 200,175,318.90

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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.