Home / 43,561,875.20-65,342,812.80-38,858,950.40

Finding the Fourth Proportional to 43,561,875.20, 65,342,812.80 and 38,858,950.40

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Solution

The fourth proportional to 43,561,875.20, 65,342,812.80 and 38,858,950.40 is: 58,288,425.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,561,875.20 : 65,342,812.80 = 38,858,950.40 : x
  2. Step 2: Convert to fraction form
    43,561,875.20/65,342,812.80 = 38,858,950.40/x
  3. Step 3: Cross multiply
    43,561,875.20x = 65,342,812.80 × 38,858,950.40
  4. Step 4: Simplify right side
    43,561,875.20x = 2,539,153,121,591,685
  5. Step 5: Solve for x
    x = 2,539,153,121,591,685/43,561,875.20
  6. Step 6: Final answer
    x = 58,288,425.60

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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.