Home / 51,014,967.40-76,522,451.10-20,744,554.60

Finding the Fourth Proportional to 51,014,967.40, 76,522,451.10 and 20,744,554.60

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Solution

The fourth proportional to 51,014,967.40, 76,522,451.10 and 20,744,554.60 is: 31,116,831.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,014,967.40 : 76,522,451.10 = 20,744,554.60 : x
  2. Step 2: Convert to fraction form
    51,014,967.40/76,522,451.10 = 20,744,554.60/x
  3. Step 3: Cross multiply
    51,014,967.40x = 76,522,451.10 × 20,744,554.60
  4. Step 4: Simplify right side
    51,014,967.40x = 1,587,424,164,969,780
  5. Step 5: Solve for x
    x = 1,587,424,164,969,780/51,014,967.40
  6. Step 6: Final answer
    x = 31,116,831.90

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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.