Home / 79,858,921.86-110,205,385.65-43,189,492.86

Finding the Fourth Proportional to 79,858,921.86, 110,205,385.65 and 43,189,492.86

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Solution

The fourth proportional to 79,858,921.86, 110,205,385.65 and 43,189,492.86 is: 59,601,539.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,858,921.86 : 110,205,385.65 = 43,189,492.86 : x
  2. Step 2: Convert to fraction form
    79,858,921.86/110,205,385.65 = 43,189,492.86/x
  3. Step 3: Cross multiply
    79,858,921.86x = 110,205,385.65 × 43,189,492.86
  4. Step 4: Simplify right side
    79,858,921.86x = 4,759,714,716,664,222
  5. Step 5: Solve for x
    x = 4,759,714,716,664,222/79,858,921.86
  6. Step 6: Final answer
    x = 59,601,539.89

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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.