Home / 52,452,005.20-78,678,007.80-51,444,235.60

Finding the Fourth Proportional to 52,452,005.20, 78,678,007.80 and 51,444,235.60

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Solution

The fourth proportional to 52,452,005.20, 78,678,007.80 and 51,444,235.60 is: 77,166,353.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,452,005.20 : 78,678,007.80 = 51,444,235.60 : x
  2. Step 2: Convert to fraction form
    52,452,005.20/78,678,007.80 = 51,444,235.60/x
  3. Step 3: Cross multiply
    52,452,005.20x = 78,678,007.80 × 51,444,235.60
  4. Step 4: Simplify right side
    52,452,005.20x = 4,047,529,969,801,837.50
  5. Step 5: Solve for x
    x = 4,047,529,969,801,837.50/52,452,005.20
  6. Step 6: Final answer
    x = 77,166,353.40

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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.