Home / 54,911,878.64-75,778,183.49-30,132,480.15

Finding the Fourth Proportional to 54,911,878.64, 75,778,183.49 and 30,132,480.15

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Solution

The fourth proportional to 54,911,878.64, 75,778,183.49 and 30,132,480.15 is: 41,582,707.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,911,878.64 : 75,778,183.49 = 30,132,480.15 : x
  2. Step 2: Convert to fraction form
    54,911,878.64/75,778,183.49 = 30,132,480.15/x
  3. Step 3: Cross multiply
    54,911,878.64x = 75,778,183.49 × 30,132,480.15
  4. Step 4: Simplify right side
    54,911,878.64x = 2,283,384,609,664,820
  5. Step 5: Solve for x
    x = 2,283,384,609,664,820/54,911,878.64
  6. Step 6: Final answer
    x = 41,582,707.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.