Home / 79,300,181.77-118,949,792.85-43,138,389.64

Finding the Fourth Proportional to 79,300,181.77, 118,949,792.85 and 43,138,389.64

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Solution

The fourth proportional to 79,300,181.77, 118,949,792.85 and 43,138,389.64 is: 64,707,323.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,300,181.77 : 118,949,792.85 = 43,138,389.64 : x
  2. Step 2: Convert to fraction form
    79,300,181.77/118,949,792.85 = 43,138,389.64/x
  3. Step 3: Cross multiply
    79,300,181.77x = 118,949,792.85 × 43,138,389.64
  4. Step 4: Simplify right side
    79,300,181.77x = 5,131,302,511,560,586
  5. Step 5: Solve for x
    x = 5,131,302,511,560,586/79,300,181.77
  6. Step 6: Final answer
    x = 64,707,323.45

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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.