Home / 53,194,918.40-79,792,377.60-30,457,116.80

Finding the Fourth Proportional to 53,194,918.40, 79,792,377.60 and 30,457,116.80

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Solution

The fourth proportional to 53,194,918.40, 79,792,377.60 and 30,457,116.80 is: 45,685,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,194,918.40 : 79,792,377.60 = 30,457,116.80 : x
  2. Step 2: Convert to fraction form
    53,194,918.40/79,792,377.60 = 30,457,116.80/x
  3. Step 3: Cross multiply
    53,194,918.40x = 79,792,377.60 × 30,457,116.80
  4. Step 4: Simplify right side
    53,194,918.40x = 2,430,245,764,312,903.50
  5. Step 5: Solve for x
    x = 2,430,245,764,312,903.50/53,194,918.40
  6. Step 6: Final answer
    x = 45,685,675.20

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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.