Home / 45,969,880.40-68,954,820.60-15,678,731.60

Finding the Fourth Proportional to 45,969,880.40, 68,954,820.60 and 15,678,731.60

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Solution

The fourth proportional to 45,969,880.40, 68,954,820.60 and 15,678,731.60 is: 23,518,097.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,969,880.40 : 68,954,820.60 = 15,678,731.60 : x
  2. Step 2: Convert to fraction form
    45,969,880.40/68,954,820.60 = 15,678,731.60/x
  3. Step 3: Cross multiply
    45,969,880.40x = 68,954,820.60 × 15,678,731.60
  4. Step 4: Simplify right side
    45,969,880.40x = 1,081,124,124,713,550.88
  5. Step 5: Solve for x
    x = 1,081,124,124,713,550.88/45,969,880.40
  6. Step 6: Final answer
    x = 23,518,097.40

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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.