Home / 57,925,765.80-86,900,312.70-16,985,125.80

Finding the Fourth Proportional to 57,925,765.80, 86,900,312.70 and 16,985,125.80

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Solution

The fourth proportional to 57,925,765.80, 86,900,312.70 and 16,985,125.80 is: 25,481,108.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,925,765.80 : 86,900,312.70 = 16,985,125.80 : x
  2. Step 2: Convert to fraction form
    57,925,765.80/86,900,312.70 = 16,985,125.80/x
  3. Step 3: Cross multiply
    57,925,765.80x = 86,900,312.70 × 16,985,125.80
  4. Step 4: Simplify right side
    57,925,765.80x = 1,476,012,743,268,837.75
  5. Step 5: Solve for x
    x = 1,476,012,743,268,837.75/57,925,765.80
  6. Step 6: Final answer
    x = 25,481,108.84

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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.