Home / 89,489,373,915.54-123,656,877,790.90-63,723,922,155.16

Finding the Fourth Proportional to 89,489,373,915.54, 123,656,877,790.90 and 63,723,922,155.16

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Solution

The fourth proportional to 89,489,373,915.54, 123,656,877,790.90 and 63,723,922,155.16 is: 88,054,043,843.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,489,373,915.54 : 123,656,877,790.90 = 63,723,922,155.16 : x
  2. Step 2: Convert to fraction form
    89,489,373,915.54/123,656,877,790.90 = 63,723,922,155.16/x
  3. Step 3: Cross multiply
    89,489,373,915.54x = 123,656,877,790.90 × 63,723,922,155.16
  4. Step 4: Simplify right side
    89,489,373,915.54x = 7,879,901,254,297,445,203,968
  5. Step 5: Solve for x
    x = 7,879,901,254,297,445,203,968/89,489,373,915.54
  6. Step 6: Final answer
    x = 88,054,043,843.62

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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.