Home / 171,072,522.40-256,682,511.60-99,330,263.20

Finding the Fourth Proportional to 171,072,522.40, 256,682,511.60 and 99,330,263.20

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Solution

The fourth proportional to 171,072,522.40, 256,682,511.60 and 99,330,263.20 is: 149,038,203.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,522.40 : 256,682,511.60 = 99,330,263.20 : x
  2. Step 2: Convert to fraction form
    171,072,522.40/256,682,511.60 = 99,330,263.20/x
  3. Step 3: Cross multiply
    171,072,522.40x = 256,682,511.60 × 99,330,263.20
  4. Step 4: Simplify right side
    171,072,522.40x = 25,496,341,436,065,052
  5. Step 5: Solve for x
    x = 25,496,341,436,065,052/171,072,522.40
  6. Step 6: Final answer
    x = 149,038,203.67

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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.