Home / 231,830,812.80-347,746,219.20-124,335,388.80

Finding the Fourth Proportional to 231,830,812.80, 347,746,219.20 and 124,335,388.80

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Solution

The fourth proportional to 231,830,812.80, 347,746,219.20 and 124,335,388.80 is: 186,503,083.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,830,812.80 : 347,746,219.20 = 124,335,388.80 : x
  2. Step 2: Convert to fraction form
    231,830,812.80/347,746,219.20 = 124,335,388.80/x
  3. Step 3: Cross multiply
    231,830,812.80x = 347,746,219.20 × 124,335,388.80
  4. Step 4: Simplify right side
    231,830,812.80x = 43,237,161,367,962,024
  5. Step 5: Solve for x
    x = 43,237,161,367,962,024/231,830,812.80
  6. Step 6: Final answer
    x = 186,503,083.20

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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.