Home / 179,086,915.40-268,497,662.70-121,435,305.80

Finding the Fourth Proportional to 179,086,915.40, 268,497,662.70 and 121,435,305.80

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Solution

The fourth proportional to 179,086,915.40, 268,497,662.70 and 121,435,305.80 is: 182,062,970.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,086,915.40 : 268,497,662.70 = 121,435,305.80 : x
  2. Step 2: Convert to fraction form
    179,086,915.40/268,497,662.70 = 121,435,305.80/x
  3. Step 3: Cross multiply
    179,086,915.40x = 268,497,662.70 × 121,435,305.80
  4. Step 4: Simplify right side
    179,086,915.40x = 32,605,095,776,559,752
  5. Step 5: Solve for x
    x = 32,605,095,776,559,752/179,086,915.40
  6. Step 6: Final answer
    x = 182,062,970.39

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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.