Home / 145,513,999.80-218,270,999.70-131,165,092.80

Finding the Fourth Proportional to 145,513,999.80, 218,270,999.70 and 131,165,092.80

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Solution

The fourth proportional to 145,513,999.80, 218,270,999.70 and 131,165,092.80 is: 196,747,639.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,513,999.80 : 218,270,999.70 = 131,165,092.80 : x
  2. Step 2: Convert to fraction form
    145,513,999.80/218,270,999.70 = 131,165,092.80/x
  3. Step 3: Cross multiply
    145,513,999.80x = 218,270,999.70 × 131,165,092.80
  4. Step 4: Simplify right side
    145,513,999.80x = 28,629,535,931,199,268
  5. Step 5: Solve for x
    x = 28,629,535,931,199,268/145,513,999.80
  6. Step 6: Final answer
    x = 196,747,639.20

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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.