Home / 79,132,081.20-118,698,121.80-53,304,048.60

Finding the Fourth Proportional to 79,132,081.20, 118,698,121.80 and 53,304,048.60

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Solution

The fourth proportional to 79,132,081.20, 118,698,121.80 and 53,304,048.60 is: 79,956,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,132,081.20 : 118,698,121.80 = 53,304,048.60 : x
  2. Step 2: Convert to fraction form
    79,132,081.20/118,698,121.80 = 53,304,048.60/x
  3. Step 3: Cross multiply
    79,132,081.20x = 118,698,121.80 × 53,304,048.60
  4. Step 4: Simplify right side
    79,132,081.20x = 6,327,090,453,155,919
  5. Step 5: Solve for x
    x = 6,327,090,453,155,919/79,132,081.20
  6. Step 6: Final answer
    x = 79,956,072.90

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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.