Home / 118,803,917.22-178,102,835.32-45,970,567.86

Finding the Fourth Proportional to 118,803,917.22, 178,102,835.32 and 45,970,567.86

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Solution

The fourth proportional to 118,803,917.22, 178,102,835.32 and 45,970,567.86 is: 68,915,980.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,803,917.22 : 178,102,835.32 = 45,970,567.86 : x
  2. Step 2: Convert to fraction form
    118,803,917.22/178,102,835.32 = 45,970,567.86/x
  3. Step 3: Cross multiply
    118,803,917.22x = 178,102,835.32 × 45,970,567.86
  4. Step 4: Simplify right side
    118,803,917.22x = 8,187,488,477,136,464
  5. Step 5: Solve for x
    x = 8,187,488,477,136,464/118,803,917.22
  6. Step 6: Final answer
    x = 68,915,980.79

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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.