Home / 76,181,354.88-105,147,009-50,078,284.08

Finding the Fourth Proportional to 76,181,354.88, 105,147,009 and 50,078,284.08

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Solution

The fourth proportional to 76,181,354.88, 105,147,009 and 50,078,284.08 is: 69,119,035.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,181,354.88 : 105,147,009 = 50,078,284.08 : x
  2. Step 2: Convert to fraction form
    76,181,354.88/105,147,009 = 50,078,284.08/x
  3. Step 3: Cross multiply
    76,181,354.88x = 105,147,009 × 50,078,284.08
  4. Step 4: Simplify right side
    76,181,354.88x = 5,265,581,786,864,317
  5. Step 5: Solve for x
    x = 5,265,581,786,864,317/76,181,354.88
  6. Step 6: Final answer
    x = 69,119,035.69

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1.5x scale

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.