Home / 76,935,106.73-115,424,234.85-30,909,295.64

Finding the Fourth Proportional to 76,935,106.73, 115,424,234.85 and 30,909,295.64

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Solution

The fourth proportional to 76,935,106.73, 115,424,234.85 and 30,909,295.64 is: 46,372,611.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,935,106.73 : 115,424,234.85 = 30,909,295.64 : x
  2. Step 2: Convert to fraction form
    76,935,106.73/115,424,234.85 = 30,909,295.64/x
  3. Step 3: Cross multiply
    76,935,106.73x = 115,424,234.85 × 30,909,295.64
  4. Step 4: Simplify right side
    76,935,106.73x = 3,567,681,799,403,911.50
  5. Step 5: Solve for x
    x = 3,567,681,799,403,911.50/76,935,106.73
  6. Step 6: Final answer
    x = 46,372,611.29

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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.