Home / 57,126,097.64-85,670,950.62-18,778,773.08

Finding the Fourth Proportional to 57,126,097.64, 85,670,950.62 and 18,778,773.08

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Solution

The fourth proportional to 57,126,097.64, 85,670,950.62 and 18,778,773.08 is: 28,162,178.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,126,097.64 : 85,670,950.62 = 18,778,773.08 : x
  2. Step 2: Convert to fraction form
    57,126,097.64/85,670,950.62 = 18,778,773.08/x
  3. Step 3: Cross multiply
    57,126,097.64x = 85,670,950.62 × 18,778,773.08
  4. Step 4: Simplify right side
    57,126,097.64x = 1,608,795,341,240,865.25
  5. Step 5: Solve for x
    x = 1,608,795,341,240,865.25/57,126,097.64
  6. Step 6: Final answer
    x = 28,162,178.19

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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.