Home / 79,489,312.80-119,233,969.20-55,302,842.40

Finding the Fourth Proportional to 79,489,312.80, 119,233,969.20 and 55,302,842.40

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Solution

The fourth proportional to 79,489,312.80, 119,233,969.20 and 55,302,842.40 is: 82,954,263.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,489,312.80 : 119,233,969.20 = 55,302,842.40 : x
  2. Step 2: Convert to fraction form
    79,489,312.80/119,233,969.20 = 55,302,842.40/x
  3. Step 3: Cross multiply
    79,489,312.80x = 119,233,969.20 × 55,302,842.40
  4. Step 4: Simplify right side
    79,489,312.80x = 6,593,977,407,394,054
  5. Step 5: Solve for x
    x = 6,593,977,407,394,054/79,489,312.80
  6. Step 6: Final answer
    x = 82,954,263.60

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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.