Home / 43,879,251.60-65,818,877.40-21,204,435.60

Finding the Fourth Proportional to 43,879,251.60, 65,818,877.40 and 21,204,435.60

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Solution

The fourth proportional to 43,879,251.60, 65,818,877.40 and 21,204,435.60 is: 31,806,653.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,879,251.60 : 65,818,877.40 = 21,204,435.60 : x
  2. Step 2: Convert to fraction form
    43,879,251.60/65,818,877.40 = 21,204,435.60/x
  3. Step 3: Cross multiply
    43,879,251.60x = 65,818,877.40 × 21,204,435.60
  4. Step 4: Simplify right side
    43,879,251.60x = 1,395,652,147,092,595.50
  5. Step 5: Solve for x
    x = 1,395,652,147,092,595.50/43,879,251.60
  6. Step 6: Final answer
    x = 31,806,653.40

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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.