Home / 82,967,025.60-124,562,512.80-65,946,916.80

Finding the Fourth Proportional to 82,967,025.60, 124,562,512.80 and 65,946,916.80

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Solution

The fourth proportional to 82,967,025.60, 124,562,512.80 and 65,946,916.80 is: 99,009,378.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,967,025.60 : 124,562,512.80 = 65,946,916.80 : x
  2. Step 2: Convert to fraction form
    82,967,025.60/124,562,512.80 = 65,946,916.80/x
  3. Step 3: Cross multiply
    82,967,025.60x = 124,562,512.80 × 65,946,916.80
  4. Step 4: Simplify right side
    82,967,025.60x = 8,214,513,668,020,534
  5. Step 5: Solve for x
    x = 8,214,513,668,020,534/82,967,025.60
  6. Step 6: Final answer
    x = 99,009,378.83

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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.