Home / 272,629,233,127.20-408,943,849,690.80-131,065,786,446.60

Finding the Fourth Proportional to 272,629,233,127.20, 408,943,849,690.80 and 131,065,786,446.60

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Solution

The fourth proportional to 272,629,233,127.20, 408,943,849,690.80 and 131,065,786,446.60 is: 196,598,679,669.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,629,233,127.20 : 408,943,849,690.80 = 131,065,786,446.60 : x
  2. Step 2: Convert to fraction form
    272,629,233,127.20/408,943,849,690.80 = 131,065,786,446.60/x
  3. Step 3: Cross multiply
    272,629,233,127.20x = 408,943,849,690.80 × 131,065,786,446.60
  4. Step 4: Simplify right side
    272,629,233,127.20x = 53,598,547,272,224,886,226,944
  5. Step 5: Solve for x
    x = 53,598,547,272,224,886,226,944/272,629,233,127.20
  6. Step 6: Final answer
    x = 196,598,679,669.90

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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.