Home / 84,543,648.20-116,670,251.60-51,503,887.36

Finding the Fourth Proportional to 84,543,648.20, 116,670,251.60 and 51,503,887.36

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Solution

The fourth proportional to 84,543,648.20, 116,670,251.60 and 51,503,887.36 is: 71,075,374.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,543,648.20 : 116,670,251.60 = 51,503,887.36 : x
  2. Step 2: Convert to fraction form
    84,543,648.20/116,670,251.60 = 51,503,887.36/x
  3. Step 3: Cross multiply
    84,543,648.20x = 116,670,251.60 × 51,503,887.36
  4. Step 4: Simplify right side
    84,543,648.20x = 6,008,971,496,669,259
  5. Step 5: Solve for x
    x = 6,008,971,496,669,259/84,543,648.20
  6. Step 6: Final answer
    x = 71,075,374.96

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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.