Home / 56,279,625.60-84,419,438.40-53,144,342.40

Finding the Fourth Proportional to 56,279,625.60, 84,419,438.40 and 53,144,342.40

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Solution

The fourth proportional to 56,279,625.60, 84,419,438.40 and 53,144,342.40 is: 79,716,513.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,279,625.60 : 84,419,438.40 = 53,144,342.40 : x
  2. Step 2: Convert to fraction form
    56,279,625.60/84,419,438.40 = 53,144,342.40/x
  3. Step 3: Cross multiply
    56,279,625.60x = 84,419,438.40 × 53,144,342.40
  4. Step 4: Simplify right side
    56,279,625.60x = 4,486,415,539,545,308.50
  5. Step 5: Solve for x
    x = 4,486,415,539,545,308.50/56,279,625.60
  6. Step 6: Final answer
    x = 79,716,513.60

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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.