Home / 272,629,233,119.20-408,943,849,678.80-131,065,786,438.60

Finding the Fourth Proportional to 272,629,233,119.20, 408,943,849,678.80 and 131,065,786,438.60

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Solution

The fourth proportional to 272,629,233,119.20, 408,943,849,678.80 and 131,065,786,438.60 is: 196,598,679,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,629,233,119.20 : 408,943,849,678.80 = 131,065,786,438.60 : x
  2. Step 2: Convert to fraction form
    272,629,233,119.20/408,943,849,678.80 = 131,065,786,438.60/x
  3. Step 3: Cross multiply
    272,629,233,119.20x = 408,943,849,678.80 × 131,065,786,438.60
  4. Step 4: Simplify right side
    272,629,233,119.20x = 53,598,547,267,380,540,604,416
  5. Step 5: Solve for x
    x = 53,598,547,267,380,540,604,416/272,629,233,119.20
  6. Step 6: Final answer
    x = 196,598,679,657.90

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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.