Home / 123,669,656.70-185,504,485.05-122,535,915.90

Finding the Fourth Proportional to 123,669,656.70, 185,504,485.05 and 122,535,915.90

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Solution

The fourth proportional to 123,669,656.70, 185,504,485.05 and 122,535,915.90 is: 183,803,873.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,669,656.70 : 185,504,485.05 = 122,535,915.90 : x
  2. Step 2: Convert to fraction form
    123,669,656.70/185,504,485.05 = 122,535,915.90/x
  3. Step 3: Cross multiply
    123,669,656.70x = 185,504,485.05 × 122,535,915.90
  4. Step 4: Simplify right side
    123,669,656.70x = 22,730,961,979,159,608
  5. Step 5: Solve for x
    x = 22,730,961,979,159,608/123,669,656.70
  6. Step 6: Final answer
    x = 183,803,873.85

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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.