Home / 57,456,245.90-86,184,368.85-19,119,010.70

Finding the Fourth Proportional to 57,456,245.90, 86,184,368.85 and 19,119,010.70

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Solution

The fourth proportional to 57,456,245.90, 86,184,368.85 and 19,119,010.70 is: 28,678,516.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,456,245.90 : 86,184,368.85 = 19,119,010.70 : x
  2. Step 2: Convert to fraction form
    57,456,245.90/86,184,368.85 = 19,119,010.70/x
  3. Step 3: Cross multiply
    57,456,245.90x = 86,184,368.85 × 19,119,010.70
  4. Step 4: Simplify right side
    57,456,245.90x = 1,647,759,870,215,896.50
  5. Step 5: Solve for x
    x = 1,647,759,870,215,896.50/57,456,245.90
  6. Step 6: Final answer
    x = 28,678,516.05

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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.