Home / 56,477,905.60-84,716,858.40-39,259,217.20

Finding the Fourth Proportional to 56,477,905.60, 84,716,858.40 and 39,259,217.20

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Solution

The fourth proportional to 56,477,905.60, 84,716,858.40 and 39,259,217.20 is: 58,888,825.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,477,905.60 : 84,716,858.40 = 39,259,217.20 : x
  2. Step 2: Convert to fraction form
    56,477,905.60/84,716,858.40 = 39,259,217.20/x
  3. Step 3: Cross multiply
    56,477,905.60x = 84,716,858.40 × 39,259,217.20
  4. Step 4: Simplify right side
    56,477,905.60x = 3,325,917,544,427,245
  5. Step 5: Solve for x
    x = 3,325,917,544,427,245/56,477,905.60
  6. Step 6: Final answer
    x = 58,888,825.80

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1.5x scale

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.