Home / 43,743,436.80-65,615,155.20-19,482,316.80

Finding the Fourth Proportional to 43,743,436.80, 65,615,155.20 and 19,482,316.80

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Solution

The fourth proportional to 43,743,436.80, 65,615,155.20 and 19,482,316.80 is: 29,223,475.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,743,436.80 : 65,615,155.20 = 19,482,316.80 : x
  2. Step 2: Convert to fraction form
    43,743,436.80/65,615,155.20 = 19,482,316.80/x
  3. Step 3: Cross multiply
    43,743,436.80x = 65,615,155.20 × 19,482,316.80
  4. Step 4: Simplify right side
    43,743,436.80x = 1,278,335,240,487,567.50
  5. Step 5: Solve for x
    x = 1,278,335,240,487,567.50/43,743,436.80
  6. Step 6: Final answer
    x = 29,223,475.20

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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.