Home / 76,994,718.72-115,492,078.08-25,876,737.60

Finding the Fourth Proportional to 76,994,718.72, 115,492,078.08 and 25,876,737.60

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Solution

The fourth proportional to 76,994,718.72, 115,492,078.08 and 25,876,737.60 is: 38,815,106.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,994,718.72 : 115,492,078.08 = 25,876,737.60 : x
  2. Step 2: Convert to fraction form
    76,994,718.72/115,492,078.08 = 25,876,737.60/x
  3. Step 3: Cross multiply
    76,994,718.72x = 115,492,078.08 × 25,876,737.60
  4. Step 4: Simplify right side
    76,994,718.72x = 2,988,558,199,354,872
  5. Step 5: Solve for x
    x = 2,988,558,199,354,872/76,994,718.72
  6. Step 6: Final answer
    x = 38,815,106.40

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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.