Home / 79,116,739.70-118,675,109.55-77,699,563.70

Finding the Fourth Proportional to 79,116,739.70, 118,675,109.55 and 77,699,563.70

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Solution

The fourth proportional to 79,116,739.70, 118,675,109.55 and 77,699,563.70 is: 116,549,345.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,116,739.70 : 118,675,109.55 = 77,699,563.70 : x
  2. Step 2: Convert to fraction form
    79,116,739.70/118,675,109.55 = 77,699,563.70/x
  3. Step 3: Cross multiply
    79,116,739.70x = 118,675,109.55 × 77,699,563.70
  4. Step 4: Simplify right side
    79,116,739.70x = 9,221,004,234,084,704
  5. Step 5: Solve for x
    x = 9,221,004,234,084,704/79,116,739.70
  6. Step 6: Final answer
    x = 116,549,345.55

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Similar ratio
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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.