Home / 79,827,000.80-119,740,501.20-36,780,279.80

Finding the Fourth Proportional to 79,827,000.80, 119,740,501.20 and 36,780,279.80

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Solution

The fourth proportional to 79,827,000.80, 119,740,501.20 and 36,780,279.80 is: 55,170,419.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,827,000.80 : 119,740,501.20 = 36,780,279.80 : x
  2. Step 2: Convert to fraction form
    79,827,000.80/119,740,501.20 = 36,780,279.80/x
  3. Step 3: Cross multiply
    79,827,000.80x = 119,740,501.20 × 36,780,279.80
  4. Step 4: Simplify right side
    79,827,000.80x = 4,404,089,137,528,235.50
  5. Step 5: Solve for x
    x = 4,404,089,137,528,235.50/79,827,000.80
  6. Step 6: Final answer
    x = 55,170,419.70

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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.