Home / 231,838,492.80-347,536,555.20-86,233,065.60

Finding the Fourth Proportional to 231,838,492.80, 347,536,555.20 and 86,233,065.60

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Solution

The fourth proportional to 231,838,492.80, 347,536,555.20 and 86,233,065.60 is: 129,267,328.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,838,492.80 : 347,536,555.20 = 86,233,065.60 : x
  2. Step 2: Convert to fraction form
    231,838,492.80/347,536,555.20 = 86,233,065.60/x
  3. Step 3: Cross multiply
    231,838,492.80x = 347,536,555.20 × 86,233,065.60
  4. Step 4: Simplify right side
    231,838,492.80x = 29,969,142,562,959,620
  5. Step 5: Solve for x
    x = 29,969,142,562,959,620/231,838,492.80
  6. Step 6: Final answer
    x = 129,267,328.31

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.