Home / 131,328,425.80-196,992,638.70-124,274,038.60

Finding the Fourth Proportional to 131,328,425.80, 196,992,638.70 and 124,274,038.60

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Solution

The fourth proportional to 131,328,425.80, 196,992,638.70 and 124,274,038.60 is: 186,411,057.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,328,425.80 : 196,992,638.70 = 124,274,038.60 : x
  2. Step 2: Convert to fraction form
    131,328,425.80/196,992,638.70 = 124,274,038.60/x
  3. Step 3: Cross multiply
    131,328,425.80x = 196,992,638.70 × 124,274,038.60
  4. Step 4: Simplify right side
    131,328,425.80x = 24,481,070,785,719,652
  5. Step 5: Solve for x
    x = 24,481,070,785,719,652/131,328,425.80
  6. Step 6: Final answer
    x = 186,411,057.90

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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.