Home / 54,407,670.10-81,505,216.95-32,778,021.40

Finding the Fourth Proportional to 54,407,670.10, 81,505,216.95 and 32,778,021.40

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Solution

The fourth proportional to 54,407,670.10, 81,505,216.95 and 32,778,021.40 is: 49,102,998.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,407,670.10 : 81,505,216.95 = 32,778,021.40 : x
  2. Step 2: Convert to fraction form
    54,407,670.10/81,505,216.95 = 32,778,021.40/x
  3. Step 3: Cross multiply
    54,407,670.10x = 81,505,216.95 × 32,778,021.40
  4. Step 4: Simplify right side
    54,407,670.10x = 2,671,579,745,398,742.50
  5. Step 5: Solve for x
    x = 2,671,579,745,398,742.50/54,407,670.10
  6. Step 6: Final answer
    x = 49,102,998.54

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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.