Home / 203,634,698.40-305,452,047.60-74,246,529.60

Finding the Fourth Proportional to 203,634,698.40, 305,452,047.60 and 74,246,529.60

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Solution

The fourth proportional to 203,634,698.40, 305,452,047.60 and 74,246,529.60 is: 111,369,794.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,634,698.40 : 305,452,047.60 = 74,246,529.60 : x
  2. Step 2: Convert to fraction form
    203,634,698.40/305,452,047.60 = 74,246,529.60/x
  3. Step 3: Cross multiply
    203,634,698.40x = 305,452,047.60 × 74,246,529.60
  4. Step 4: Simplify right side
    203,634,698.40x = 22,678,754,493,514,008
  5. Step 5: Solve for x
    x = 22,678,754,493,514,008/203,634,698.40
  6. Step 6: Final answer
    x = 111,369,794.40

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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.