Home / 76,788,630.30-115,182,945.45-74,662,866.30

Finding the Fourth Proportional to 76,788,630.30, 115,182,945.45 and 74,662,866.30

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Solution

The fourth proportional to 76,788,630.30, 115,182,945.45 and 74,662,866.30 is: 111,994,299.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,788,630.30 : 115,182,945.45 = 74,662,866.30 : x
  2. Step 2: Convert to fraction form
    76,788,630.30/115,182,945.45 = 74,662,866.30/x
  3. Step 3: Cross multiply
    76,788,630.30x = 115,182,945.45 × 74,662,866.30
  4. Step 4: Simplify right side
    76,788,630.30x = 8,599,888,856,173,543
  5. Step 5: Solve for x
    x = 8,599,888,856,173,543/76,788,630.30
  6. Step 6: Final answer
    x = 111,994,299.45

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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.