Home / 82,078,824.25-122,922,046.07-45,596,730.02

Finding the Fourth Proportional to 82,078,824.25, 122,922,046.07 and 45,596,730.02

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Solution

The fourth proportional to 82,078,824.25, 122,922,046.07 and 45,596,730.02 is: 68,286,106.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,078,824.25 : 122,922,046.07 = 45,596,730.02 : x
  2. Step 2: Convert to fraction form
    82,078,824.25/122,922,046.07 = 45,596,730.02/x
  3. Step 3: Cross multiply
    82,078,824.25x = 122,922,046.07 × 45,596,730.02
  4. Step 4: Simplify right side
    82,078,824.25x = 5,604,843,347,931,809
  5. Step 5: Solve for x
    x = 5,604,843,347,931,809/82,078,824.25
  6. Step 6: Final answer
    x = 68,286,106.67

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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.