Home / 84,836,143.80-117,073,977.75-48,166,714.80

Finding the Fourth Proportional to 84,836,143.80, 117,073,977.75 and 48,166,714.80

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Solution

The fourth proportional to 84,836,143.80, 117,073,977.75 and 48,166,714.80 is: 66,470,122.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,836,143.80 : 117,073,977.75 = 48,166,714.80 : x
  2. Step 2: Convert to fraction form
    84,836,143.80/117,073,977.75 = 48,166,714.80/x
  3. Step 3: Cross multiply
    84,836,143.80x = 117,073,977.75 × 48,166,714.80
  4. Step 4: Simplify right side
    84,836,143.80x = 5,639,068,896,785,795
  5. Step 5: Solve for x
    x = 5,639,068,896,785,795/84,836,143.80
  6. Step 6: Final answer
    x = 66,470,122.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.