Home / 240,777,246.40-361,165,869.60-87,428,305.60

Finding the Fourth Proportional to 240,777,246.40, 361,165,869.60 and 87,428,305.60

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Solution

The fourth proportional to 240,777,246.40, 361,165,869.60 and 87,428,305.60 is: 131,142,458.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,777,246.40 : 361,165,869.60 = 87,428,305.60 : x
  2. Step 2: Convert to fraction form
    240,777,246.40/361,165,869.60 = 87,428,305.60/x
  3. Step 3: Cross multiply
    240,777,246.40x = 361,165,869.60 × 87,428,305.60
  4. Step 4: Simplify right side
    240,777,246.40x = 31,576,120,019,678,548
  5. Step 5: Solve for x
    x = 31,576,120,019,678,548/240,777,246.40
  6. Step 6: Final answer
    x = 131,142,458.40

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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.