Home / 76,464,644.40-114,696,966.60-49,254,865.20

Finding the Fourth Proportional to 76,464,644.40, 114,696,966.60 and 49,254,865.20

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Solution

The fourth proportional to 76,464,644.40, 114,696,966.60 and 49,254,865.20 is: 73,882,297.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,464,644.40 : 114,696,966.60 = 49,254,865.20 : x
  2. Step 2: Convert to fraction form
    76,464,644.40/114,696,966.60 = 49,254,865.20/x
  3. Step 3: Cross multiply
    76,464,644.40x = 114,696,966.60 × 49,254,865.20
  4. Step 4: Simplify right side
    76,464,644.40x = 5,649,383,628,731,902
  5. Step 5: Solve for x
    x = 5,649,383,628,731,902/76,464,644.40
  6. Step 6: Final answer
    x = 73,882,297.80

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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.