Home / 66,819,938.40-100,229,907.60-32,807,714.40

Finding the Fourth Proportional to 66,819,938.40, 100,229,907.60 and 32,807,714.40

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Solution

The fourth proportional to 66,819,938.40, 100,229,907.60 and 32,807,714.40 is: 49,211,571.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,819,938.40 : 100,229,907.60 = 32,807,714.40 : x
  2. Step 2: Convert to fraction form
    66,819,938.40/100,229,907.60 = 32,807,714.40/x
  3. Step 3: Cross multiply
    66,819,938.40x = 100,229,907.60 × 32,807,714.40
  4. Step 4: Simplify right side
    66,819,938.40x = 3,288,314,182,879,189
  5. Step 5: Solve for x
    x = 3,288,314,182,879,189/66,819,938.40
  6. Step 6: Final answer
    x = 49,211,571.60

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1.5x scale

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.