Home / 91,739,137.60-126,600,030.76-50,486,029.98

Finding the Fourth Proportional to 91,739,137.60, 126,600,030.76 and 50,486,029.98

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Solution

The fourth proportional to 91,739,137.60, 126,600,030.76 and 50,486,029.98 is: 69,670,732.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,739,137.60 : 126,600,030.76 = 50,486,029.98 : x
  2. Step 2: Convert to fraction form
    91,739,137.60/126,600,030.76 = 50,486,029.98/x
  3. Step 3: Cross multiply
    91,739,137.60x = 126,600,030.76 × 50,486,029.98
  4. Step 4: Simplify right side
    91,739,137.60x = 6,391,532,947,532,852
  5. Step 5: Solve for x
    x = 6,391,532,947,532,852/91,739,137.60
  6. Step 6: Final answer
    x = 69,670,732.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.