Home / 155,384,154,099.53-214,430,464,974.40-87,718,744,317.61

Finding the Fourth Proportional to 155,384,154,099.53, 214,430,464,974.40 and 87,718,744,317.61

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Solution

The fourth proportional to 155,384,154,099.53, 214,430,464,974.40 and 87,718,744,317.61 is: 121,052,054,760.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,384,154,099.53 : 214,430,464,974.40 = 87,718,744,317.61 : x
  2. Step 2: Convert to fraction form
    155,384,154,099.53/214,430,464,974.40 = 87,718,744,317.61/x
  3. Step 3: Cross multiply
    155,384,154,099.53x = 214,430,464,974.40 × 87,718,744,317.61
  4. Step 4: Simplify right side
    155,384,154,099.53x = 18,809,571,130,996,049,313,792
  5. Step 5: Solve for x
    x = 18,809,571,130,996,049,313,792/155,384,154,099.53
  6. Step 6: Final answer
    x = 121,052,054,760.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.