Home / 208,656,259.80-312,984,389.70-131,058,000.60

Finding the Fourth Proportional to 208,656,259.80, 312,984,389.70 and 131,058,000.60

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Solution

The fourth proportional to 208,656,259.80, 312,984,389.70 and 131,058,000.60 is: 196,587,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,656,259.80 : 312,984,389.70 = 131,058,000.60 : x
  2. Step 2: Convert to fraction form
    208,656,259.80/312,984,389.70 = 131,058,000.60/x
  3. Step 3: Cross multiply
    208,656,259.80x = 312,984,389.70 × 131,058,000.60
  4. Step 4: Simplify right side
    208,656,259.80x = 41,019,108,333,093,232
  5. Step 5: Solve for x
    x = 41,019,108,333,093,232/208,656,259.80
  6. Step 6: Final answer
    x = 196,587,000.90

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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.