Home / 68,036,200.80-102,054,301.20-45,077,949.60

Finding the Fourth Proportional to 68,036,200.80, 102,054,301.20 and 45,077,949.60

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Solution

The fourth proportional to 68,036,200.80, 102,054,301.20 and 45,077,949.60 is: 67,616,924.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,036,200.80 : 102,054,301.20 = 45,077,949.60 : x
  2. Step 2: Convert to fraction form
    68,036,200.80/102,054,301.20 = 45,077,949.60/x
  3. Step 3: Cross multiply
    68,036,200.80x = 102,054,301.20 × 45,077,949.60
  4. Step 4: Simplify right side
    68,036,200.80x = 4,600,398,645,956,820
  5. Step 5: Solve for x
    x = 4,600,398,645,956,820/68,036,200.80
  6. Step 6: Final answer
    x = 67,616,924.40

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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.