Home / 76,994,828.72-115,492,243.08-25,876,847.60

Finding the Fourth Proportional to 76,994,828.72, 115,492,243.08 and 25,876,847.60

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Solution

The fourth proportional to 76,994,828.72, 115,492,243.08 and 25,876,847.60 is: 38,815,271.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,994,828.72 : 115,492,243.08 = 25,876,847.60 : x
  2. Step 2: Convert to fraction form
    76,994,828.72/115,492,243.08 = 25,876,847.60/x
  3. Step 3: Cross multiply
    76,994,828.72x = 115,492,243.08 × 25,876,847.60
  4. Step 4: Simplify right side
    76,994,828.72x = 2,988,575,173,163,314.50
  5. Step 5: Solve for x
    x = 2,988,575,173,163,314.50/76,994,828.72
  6. Step 6: Final answer
    x = 38,815,271.40

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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.