Home / 45,494,625.60-68,241,938.40-19,985,457.60

Finding the Fourth Proportional to 45,494,625.60, 68,241,938.40 and 19,985,457.60

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Solution

The fourth proportional to 45,494,625.60, 68,241,938.40 and 19,985,457.60 is: 29,978,186.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,494,625.60 : 68,241,938.40 = 19,985,457.60 : x
  2. Step 2: Convert to fraction form
    45,494,625.60/68,241,938.40 = 19,985,457.60/x
  3. Step 3: Cross multiply
    45,494,625.60x = 68,241,938.40 × 19,985,457.60
  4. Step 4: Simplify right side
    45,494,625.60x = 1,363,846,366,435,012
  5. Step 5: Solve for x
    x = 1,363,846,366,435,012/45,494,625.60
  6. Step 6: Final answer
    x = 29,978,186.40

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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.