Home / 130,680,938.70-196,021,408.05-130,680,938.70

Finding the Fourth Proportional to 130,680,938.70, 196,021,408.05 and 130,680,938.70

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Solution

The fourth proportional to 130,680,938.70, 196,021,408.05 and 130,680,938.70 is: 196,021,408.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,680,938.70 : 196,021,408.05 = 130,680,938.70 : x
  2. Step 2: Convert to fraction form
    130,680,938.70/196,021,408.05 = 130,680,938.70/x
  3. Step 3: Cross multiply
    130,680,938.70x = 196,021,408.05 × 130,680,938.70
  4. Step 4: Simplify right side
    130,680,938.70x = 25,616,261,609,269,740
  5. Step 5: Solve for x
    x = 25,616,261,609,269,740/130,680,938.70
  6. Step 6: Final answer
    x = 196,021,408.05

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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.