Home / 145,375,427.20-218,063,140.80-99,458,924.80

Finding the Fourth Proportional to 145,375,427.20, 218,063,140.80 and 99,458,924.80

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Solution

The fourth proportional to 145,375,427.20, 218,063,140.80 and 99,458,924.80 is: 149,188,387.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,375,427.20 : 218,063,140.80 = 99,458,924.80 : x
  2. Step 2: Convert to fraction form
    145,375,427.20/218,063,140.80 = 99,458,924.80/x
  3. Step 3: Cross multiply
    145,375,427.20x = 218,063,140.80 × 99,458,924.80
  4. Step 4: Simplify right side
    145,375,427.20x = 21,688,325,522,479,012
  5. Step 5: Solve for x
    x = 21,688,325,522,479,012/145,375,427.20
  6. Step 6: Final answer
    x = 149,188,387.20

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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.