Home / 209,953,846.70-314,930,770.05-152,133,065.90

Finding the Fourth Proportional to 209,953,846.70, 314,930,770.05 and 152,133,065.90

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Solution

The fourth proportional to 209,953,846.70, 314,930,770.05 and 152,133,065.90 is: 228,199,598.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,846.70 : 314,930,770.05 = 152,133,065.90 : x
  2. Step 2: Convert to fraction form
    209,953,846.70/314,930,770.05 = 152,133,065.90/x
  3. Step 3: Cross multiply
    209,953,846.70x = 314,930,770.05 × 152,133,065.90
  4. Step 4: Simplify right side
    209,953,846.70x = 47,911,383,593,954,400
  5. Step 5: Solve for x
    x = 47,911,383,593,954,400/209,953,846.70
  6. Step 6: Final answer
    x = 228,199,598.85

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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.