Home / 66,076,103.70-99,114,155.55-49,069,991.70

Finding the Fourth Proportional to 66,076,103.70, 99,114,155.55 and 49,069,991.70

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Solution

The fourth proportional to 66,076,103.70, 99,114,155.55 and 49,069,991.70 is: 73,604,987.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,076,103.70 : 99,114,155.55 = 49,069,991.70 : x
  2. Step 2: Convert to fraction form
    66,076,103.70/99,114,155.55 = 49,069,991.70/x
  3. Step 3: Cross multiply
    66,076,103.70x = 99,114,155.55 × 49,069,991.70
  4. Step 4: Simplify right side
    66,076,103.70x = 4,863,530,790,191,009
  5. Step 5: Solve for x
    x = 4,863,530,790,191,009/66,076,103.70
  6. Step 6: Final answer
    x = 73,604,987.55

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Similar ratio
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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.