Home / 272,629,233,115.70-408,943,849,673.55-131,065,786,435.10

Finding the Fourth Proportional to 272,629,233,115.70, 408,943,849,673.55 and 131,065,786,435.10

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Solution

The fourth proportional to 272,629,233,115.70, 408,943,849,673.55 and 131,065,786,435.10 is: 196,598,679,652.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,629,233,115.70 : 408,943,849,673.55 = 131,065,786,435.10 : x
  2. Step 2: Convert to fraction form
    272,629,233,115.70/408,943,849,673.55 = 131,065,786,435.10/x
  3. Step 3: Cross multiply
    272,629,233,115.70x = 408,943,849,673.55 × 131,065,786,435.10
  4. Step 4: Simplify right side
    272,629,233,115.70x = 53,598,547,265,261,142,016,000
  5. Step 5: Solve for x
    x = 53,598,547,265,261,142,016,000/272,629,233,115.70
  6. Step 6: Final answer
    x = 196,598,679,652.65

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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.