Home / 213,240,289.68-319,860,434.40-51,682,225.68

Finding the Fourth Proportional to 213,240,289.68, 319,860,434.40 and 51,682,225.68

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Solution

The fourth proportional to 213,240,289.68, 319,860,434.40 and 51,682,225.68 is: 77,523,338.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,240,289.68 : 319,860,434.40 = 51,682,225.68 : x
  2. Step 2: Convert to fraction form
    213,240,289.68/319,860,434.40 = 51,682,225.68/x
  3. Step 3: Cross multiply
    213,240,289.68x = 319,860,434.40 × 51,682,225.68
  4. Step 4: Simplify right side
    213,240,289.68x = 16,531,099,156,763,634
  5. Step 5: Solve for x
    x = 16,531,099,156,763,634/213,240,289.68
  6. Step 6: Final answer
    x = 77,523,338.49

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Double scale
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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.