Home / 72,290,065,658.40-108,435,098,487.60-51,214,391,056.80

Finding the Fourth Proportional to 72,290,065,658.40, 108,435,098,487.60 and 51,214,391,056.80

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Solution

The fourth proportional to 72,290,065,658.40, 108,435,098,487.60 and 51,214,391,056.80 is: 76,821,586,585.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,290,065,658.40 : 108,435,098,487.60 = 51,214,391,056.80 : x
  2. Step 2: Convert to fraction form
    72,290,065,658.40/108,435,098,487.60 = 51,214,391,056.80/x
  3. Step 3: Cross multiply
    72,290,065,658.40x = 108,435,098,487.60 × 51,214,391,056.80
  4. Step 4: Simplify right side
    72,290,065,658.40x = 5,553,437,538,226,568,953,856
  5. Step 5: Solve for x
    x = 5,553,437,538,226,568,953,856/72,290,065,658.40
  6. Step 6: Final answer
    x = 76,821,586,585.20

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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.