Home / 83,989,378.80-125,984,068.20-23,405,104.80

Finding the Fourth Proportional to 83,989,378.80, 125,984,068.20 and 23,405,104.80

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Solution

The fourth proportional to 83,989,378.80, 125,984,068.20 and 23,405,104.80 is: 35,107,657.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,989,378.80 : 125,984,068.20 = 23,405,104.80 : x
  2. Step 2: Convert to fraction form
    83,989,378.80/125,984,068.20 = 23,405,104.80/x
  3. Step 3: Cross multiply
    83,989,378.80x = 125,984,068.20 × 23,405,104.80
  4. Step 4: Simplify right side
    83,989,378.80x = 2,948,670,319,351,347.50
  5. Step 5: Solve for x
    x = 2,948,670,319,351,347.50/83,989,378.80
  6. Step 6: Final answer
    x = 35,107,657.20

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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.