Home / 76,667,017.92-114,651,228.96-57,249,879.36

Finding the Fourth Proportional to 76,667,017.92, 114,651,228.96 and 57,249,879.36

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Solution

The fourth proportional to 76,667,017.92, 114,651,228.96 and 57,249,879.36 is: 85,613,986.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,667,017.92 : 114,651,228.96 = 57,249,879.36 : x
  2. Step 2: Convert to fraction form
    76,667,017.92/114,651,228.96 = 57,249,879.36/x
  3. Step 3: Cross multiply
    76,667,017.92x = 114,651,228.96 × 57,249,879.36
  4. Step 4: Simplify right side
    76,667,017.92x = 6,563,769,026,435,738
  5. Step 5: Solve for x
    x = 6,563,769,026,435,738/76,667,017.92
  6. Step 6: Final answer
    x = 85,613,986.36

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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.