Home / 104,284,648.88-143,911,883.60-57,240,329.11

Finding the Fourth Proportional to 104,284,648.88, 143,911,883.60 and 57,240,329.11

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Solution

The fourth proportional to 104,284,648.88, 143,911,883.60 and 57,240,329.11 is: 78,991,142.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,284,648.88 : 143,911,883.60 = 57,240,329.11 : x
  2. Step 2: Convert to fraction form
    104,284,648.88/143,911,883.60 = 57,240,329.11/x
  3. Step 3: Cross multiply
    104,284,648.88x = 143,911,883.60 × 57,240,329.11
  4. Step 4: Simplify right side
    104,284,648.88x = 8,237,563,580,104,011
  5. Step 5: Solve for x
    x = 8,237,563,580,104,011/104,284,648.88
  6. Step 6: Final answer
    x = 78,991,142.69

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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.