Home / 78,767,381.22-118,089,880.80-51,042,731.22

Finding the Fourth Proportional to 78,767,381.22, 118,089,880.80 and 51,042,731.22

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Solution

The fourth proportional to 78,767,381.22, 118,089,880.80 and 51,042,731.22 is: 76,524,443.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,767,381.22 : 118,089,880.80 = 51,042,731.22 : x
  2. Step 2: Convert to fraction form
    78,767,381.22/118,089,880.80 = 51,042,731.22/x
  3. Step 3: Cross multiply
    78,767,381.22x = 118,089,880.80 × 51,042,731.22
  4. Step 4: Simplify right side
    78,767,381.22x = 6,027,630,045,476,238
  5. Step 5: Solve for x
    x = 6,027,630,045,476,238/78,767,381.22
  6. Step 6: Final answer
    x = 76,524,443.90

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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.