Home / 103,416,813.36-142,714,235.88-56,373,879.60

Finding the Fourth Proportional to 103,416,813.36, 142,714,235.88 and 56,373,879.60

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Solution

The fourth proportional to 103,416,813.36, 142,714,235.88 and 56,373,879.60 is: 77,795,426.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,416,813.36 : 142,714,235.88 = 56,373,879.60 : x
  2. Step 2: Convert to fraction form
    103,416,813.36/142,714,235.88 = 56,373,879.60/x
  3. Step 3: Cross multiply
    103,416,813.36x = 142,714,235.88 × 56,373,879.60
  4. Step 4: Simplify right side
    103,416,813.36x = 8,045,355,150,705,120
  5. Step 5: Solve for x
    x = 8,045,355,150,705,120/103,416,813.36
  6. Step 6: Final answer
    x = 77,795,426.97

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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.