Home / 79,272,003.80-118,908,005.70-52,149,704.60

Finding the Fourth Proportional to 79,272,003.80, 118,908,005.70 and 52,149,704.60

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Solution

The fourth proportional to 79,272,003.80, 118,908,005.70 and 52,149,704.60 is: 78,224,556.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,272,003.80 : 118,908,005.70 = 52,149,704.60 : x
  2. Step 2: Convert to fraction form
    79,272,003.80/118,908,005.70 = 52,149,704.60/x
  3. Step 3: Cross multiply
    79,272,003.80x = 118,908,005.70 × 52,149,704.60
  4. Step 4: Simplify right side
    79,272,003.80x = 6,201,017,371,830,117
  5. Step 5: Solve for x
    x = 6,201,017,371,830,117/79,272,003.80
  6. Step 6: Final answer
    x = 78,224,556.90

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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.