Home / 120,631,453.60-166,472,130.08-65,627,703.84

Finding the Fourth Proportional to 120,631,453.60, 166,472,130.08 and 65,627,703.84

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Solution

The fourth proportional to 120,631,453.60, 166,472,130.08 and 65,627,703.84 is: 90,566,625.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,631,453.60 : 166,472,130.08 = 65,627,703.84 : x
  2. Step 2: Convert to fraction form
    120,631,453.60/166,472,130.08 = 65,627,703.84/x
  3. Step 3: Cross multiply
    120,631,453.60x = 166,472,130.08 × 65,627,703.84
  4. Step 4: Simplify right side
    120,631,453.60x = 10,925,183,650,504,196
  5. Step 5: Solve for x
    x = 10,925,183,650,504,196/120,631,453.60
  6. Step 6: Final answer
    x = 90,566,625.24

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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.