Home / 79,754,977.60-119,632,466.40-25,907,732.80

Finding the Fourth Proportional to 79,754,977.60, 119,632,466.40 and 25,907,732.80

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Solution

The fourth proportional to 79,754,977.60, 119,632,466.40 and 25,907,732.80 is: 38,861,599.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,754,977.60 : 119,632,466.40 = 25,907,732.80 : x
  2. Step 2: Convert to fraction form
    79,754,977.60/119,632,466.40 = 25,907,732.80/x
  3. Step 3: Cross multiply
    79,754,977.60x = 119,632,466.40 × 25,907,732.80
  4. Step 4: Simplify right side
    79,754,977.60x = 3,099,405,973,696,178
  5. Step 5: Solve for x
    x = 3,099,405,973,696,178/79,754,977.60
  6. Step 6: Final answer
    x = 38,861,599.20

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1.5x scale

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.