Home / 321,895,999.20-482,843,998.80-117,430,744.80

Finding the Fourth Proportional to 321,895,999.20, 482,843,998.80 and 117,430,744.80

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Solution

The fourth proportional to 321,895,999.20, 482,843,998.80 and 117,430,744.80 is: 176,146,117.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,895,999.20 : 482,843,998.80 = 117,430,744.80 : x
  2. Step 2: Convert to fraction form
    321,895,999.20/482,843,998.80 = 117,430,744.80/x
  3. Step 3: Cross multiply
    321,895,999.20x = 482,843,998.80 × 117,430,744.80
  4. Step 4: Simplify right side
    321,895,999.20x = 56,700,730,401,294,304
  5. Step 5: Solve for x
    x = 56,700,730,401,294,304/321,895,999.20
  6. Step 6: Final answer
    x = 176,146,117.20

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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.