Home / 104,781,954.08-143,551,789.29-100,854,750.42

Finding the Fourth Proportional to 104,781,954.08, 143,551,789.29 and 100,854,750.42

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Solution

The fourth proportional to 104,781,954.08, 143,551,789.29 and 100,854,750.42 is: 138,171,501.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,781,954.08 : 143,551,789.29 = 100,854,750.42 : x
  2. Step 2: Convert to fraction form
    104,781,954.08/143,551,789.29 = 100,854,750.42/x
  3. Step 3: Cross multiply
    104,781,954.08x = 143,551,789.29 × 100,854,750.42
  4. Step 4: Simplify right side
    104,781,954.08x = 14,477,879,881,187,378
  5. Step 5: Solve for x
    x = 14,477,879,881,187,378/104,781,954.08
  6. Step 6: Final answer
    x = 138,171,501.08

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.