Home / 43,578,039.60-65,367,059.40-40,293,457.20

Finding the Fourth Proportional to 43,578,039.60, 65,367,059.40 and 40,293,457.20

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Solution

The fourth proportional to 43,578,039.60, 65,367,059.40 and 40,293,457.20 is: 60,440,185.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,578,039.60 : 65,367,059.40 = 40,293,457.20 : x
  2. Step 2: Convert to fraction form
    43,578,039.60/65,367,059.40 = 40,293,457.20/x
  3. Step 3: Cross multiply
    43,578,039.60x = 65,367,059.40 × 40,293,457.20
  4. Step 4: Simplify right side
    43,578,039.60x = 2,633,864,810,223,758
  5. Step 5: Solve for x
    x = 2,633,864,810,223,758/43,578,039.60
  6. Step 6: Final answer
    x = 60,440,185.80

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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.