Home / 144,827,423.55-199,860,456.33-78,747,945.03

Finding the Fourth Proportional to 144,827,423.55, 199,860,456.33 and 78,747,945.03

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Solution

The fourth proportional to 144,827,423.55, 199,860,456.33 and 78,747,945.03 is: 108,671,409.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,827,423.55 : 199,860,456.33 = 78,747,945.03 : x
  2. Step 2: Convert to fraction form
    144,827,423.55/199,860,456.33 = 78,747,945.03/x
  3. Step 3: Cross multiply
    144,827,423.55x = 199,860,456.33 × 78,747,945.03
  4. Step 4: Simplify right side
    144,827,423.55x = 15,738,600,228,745,556
  5. Step 5: Solve for x
    x = 15,738,600,228,745,556/144,827,423.55
  6. Step 6: Final answer
    x = 108,671,409.34

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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.