Home / 53,194,912.40-79,792,368.60-30,457,110.80

Finding the Fourth Proportional to 53,194,912.40, 79,792,368.60 and 30,457,110.80

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Solution

The fourth proportional to 53,194,912.40, 79,792,368.60 and 30,457,110.80 is: 45,685,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,194,912.40 : 79,792,368.60 = 30,457,110.80 : x
  2. Step 2: Convert to fraction form
    53,194,912.40/79,792,368.60 = 30,457,110.80/x
  3. Step 3: Cross multiply
    53,194,912.40x = 79,792,368.60 × 30,457,110.80
  4. Step 4: Simplify right side
    53,194,912.40x = 2,430,245,011,444,641
  5. Step 5: Solve for x
    x = 2,430,245,011,444,641/53,194,912.40
  6. Step 6: Final answer
    x = 45,685,666.20

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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.