Home / 275,286,677.70-412,930,016.55-166,447,560.90

Finding the Fourth Proportional to 275,286,677.70, 412,930,016.55 and 166,447,560.90

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Solution

The fourth proportional to 275,286,677.70, 412,930,016.55 and 166,447,560.90 is: 249,671,341.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,286,677.70 : 412,930,016.55 = 166,447,560.90 : x
  2. Step 2: Convert to fraction form
    275,286,677.70/412,930,016.55 = 166,447,560.90/x
  3. Step 3: Cross multiply
    275,286,677.70x = 412,930,016.55 × 166,447,560.90
  4. Step 4: Simplify right side
    275,286,677.70x = 68,731,194,077,144,136
  5. Step 5: Solve for x
    x = 68,731,194,077,144,136/275,286,677.70
  6. Step 6: Final answer
    x = 249,671,341.35

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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.