Home / 109,568,246.40-164,352,369.60-52,945,142.40

Finding the Fourth Proportional to 109,568,246.40, 164,352,369.60 and 52,945,142.40

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Solution

The fourth proportional to 109,568,246.40, 164,352,369.60 and 52,945,142.40 is: 79,417,713.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,568,246.40 : 164,352,369.60 = 52,945,142.40 : x
  2. Step 2: Convert to fraction form
    109,568,246.40/164,352,369.60 = 52,945,142.40/x
  3. Step 3: Cross multiply
    109,568,246.40x = 164,352,369.60 × 52,945,142.40
  4. Step 4: Simplify right side
    109,568,246.40x = 8,701,659,612,249,430
  5. Step 5: Solve for x
    x = 8,701,659,612,249,430/109,568,246.40
  6. Step 6: Final answer
    x = 79,417,713.60

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Similar ratio
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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.