Home / 45,559,742.78-68,325,532.32-13,214,022.50

Finding the Fourth Proportional to 45,559,742.78, 68,325,532.32 and 13,214,022.50

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Solution

The fourth proportional to 45,559,742.78, 68,325,532.32 and 13,214,022.50 is: 19,816,949.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,559,742.78 : 68,325,532.32 = 13,214,022.50 : x
  2. Step 2: Convert to fraction form
    45,559,742.78/68,325,532.32 = 13,214,022.50/x
  3. Step 3: Cross multiply
    45,559,742.78x = 68,325,532.32 × 13,214,022.50
  4. Step 4: Simplify right side
    45,559,742.78x = 902,855,121,400,957.12
  5. Step 5: Solve for x
    x = 902,855,121,400,957.12/45,559,742.78
  6. Step 6: Final answer
    x = 19,816,949.49

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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.