Home / 43,776,113.20-65,664,169.80-13,480,039.60

Finding the Fourth Proportional to 43,776,113.20, 65,664,169.80 and 13,480,039.60

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Solution

The fourth proportional to 43,776,113.20, 65,664,169.80 and 13,480,039.60 is: 20,220,059.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,776,113.20 : 65,664,169.80 = 13,480,039.60 : x
  2. Step 2: Convert to fraction form
    43,776,113.20/65,664,169.80 = 13,480,039.60/x
  3. Step 3: Cross multiply
    43,776,113.20x = 65,664,169.80 × 13,480,039.60
  4. Step 4: Simplify right side
    43,776,113.20x = 885,155,609,205,124
  5. Step 5: Solve for x
    x = 885,155,609,205,124/43,776,113.20
  6. Step 6: Final answer
    x = 20,220,059.40

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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.