Home / 43,947,692.40-65,788,828.20-38,639,276.40

Finding the Fourth Proportional to 43,947,692.40, 65,788,828.20 and 38,639,276.40

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Solution

The fourth proportional to 43,947,692.40, 65,788,828.20 and 38,639,276.40 is: 57,842,234.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,947,692.40 : 65,788,828.20 = 38,639,276.40 : x
  2. Step 2: Convert to fraction form
    43,947,692.40/65,788,828.20 = 38,639,276.40/x
  3. Step 3: Cross multiply
    43,947,692.40x = 65,788,828.20 × 38,639,276.40
  4. Step 4: Simplify right side
    43,947,692.40x = 2,542,032,716,851,914.50
  5. Step 5: Solve for x
    x = 2,542,032,716,851,914.50/43,947,692.40
  6. Step 6: Final answer
    x = 57,842,234.21

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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.