Home / 57,782,128.20-86,686,022.70-19,442,560.20

Finding the Fourth Proportional to 57,782,128.20, 86,686,022.70 and 19,442,560.20

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Solution

The fourth proportional to 57,782,128.20, 86,686,022.70 and 19,442,560.20 is: 29,168,157.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,782,128.20 : 86,686,022.70 = 19,442,560.20 : x
  2. Step 2: Convert to fraction form
    57,782,128.20/86,686,022.70 = 19,442,560.20/x
  3. Step 3: Cross multiply
    57,782,128.20x = 86,686,022.70 × 19,442,560.20
  4. Step 4: Simplify right side
    57,782,128.20x = 1,685,398,214,843,316.50
  5. Step 5: Solve for x
    x = 1,685,398,214,843,316.50/57,782,128.20
  6. Step 6: Final answer
    x = 29,168,157.48

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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.