Home / 79,211,788.30-118,817,682.45-52,002,009.10

Finding the Fourth Proportional to 79,211,788.30, 118,817,682.45 and 52,002,009.10

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Solution

The fourth proportional to 79,211,788.30, 118,817,682.45 and 52,002,009.10 is: 78,003,013.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,211,788.30 : 118,817,682.45 = 52,002,009.10 : x
  2. Step 2: Convert to fraction form
    79,211,788.30/118,817,682.45 = 52,002,009.10/x
  3. Step 3: Cross multiply
    79,211,788.30x = 118,817,682.45 × 52,002,009.10
  4. Step 4: Simplify right side
    79,211,788.30x = 6,178,758,204,005,811
  5. Step 5: Solve for x
    x = 6,178,758,204,005,811/79,211,788.30
  6. Step 6: Final answer
    x = 78,003,013.65

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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.