Home / 52,352,064.20-78,528,096.30-20,439,360.20

Finding the Fourth Proportional to 52,352,064.20, 78,528,096.30 and 20,439,360.20

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Solution

The fourth proportional to 52,352,064.20, 78,528,096.30 and 20,439,360.20 is: 30,659,040.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,352,064.20 : 78,528,096.30 = 20,439,360.20 : x
  2. Step 2: Convert to fraction form
    52,352,064.20/78,528,096.30 = 20,439,360.20/x
  3. Step 3: Cross multiply
    52,352,064.20x = 78,528,096.30 × 20,439,360.20
  4. Step 4: Simplify right side
    52,352,064.20x = 1,605,064,046,095,987.25
  5. Step 5: Solve for x
    x = 1,605,064,046,095,987.25/52,352,064.20
  6. Step 6: Final answer
    x = 30,659,040.30

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Double scale
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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.