Home / 145,493,720.40-218,324,561.40-54,626,494.80

Finding the Fourth Proportional to 145,493,720.40, 218,324,561.40 and 54,626,494.80

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Solution

The fourth proportional to 145,493,720.40, 218,324,561.40 and 54,626,494.80 is: 81,971,273.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,493,720.40 : 218,324,561.40 = 54,626,494.80 : x
  2. Step 2: Convert to fraction form
    145,493,720.40/218,324,561.40 = 54,626,494.80/x
  3. Step 3: Cross multiply
    145,493,720.40x = 218,324,561.40 × 54,626,494.80
  4. Step 4: Simplify right side
    145,493,720.40x = 11,926,305,518,029,380
  5. Step 5: Solve for x
    x = 11,926,305,518,029,380/145,493,720.40
  6. Step 6: Final answer
    x = 81,971,273.30

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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.