Home / 118,787,319.69-178,181,311.70-36,918,169.34

Finding the Fourth Proportional to 118,787,319.69, 178,181,311.70 and 36,918,169.34

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Solution

The fourth proportional to 118,787,319.69, 178,181,311.70 and 36,918,169.34 is: 55,377,357.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,787,319.69 : 178,181,311.70 = 36,918,169.34 : x
  2. Step 2: Convert to fraction form
    118,787,319.69/178,181,311.70 = 36,918,169.34/x
  3. Step 3: Cross multiply
    118,787,319.69x = 178,181,311.70 × 36,918,169.34
  4. Step 4: Simplify right side
    118,787,319.69x = 6,578,127,838,563,923
  5. Step 5: Solve for x
    x = 6,578,127,838,563,923/118,787,319.69
  6. Step 6: Final answer
    x = 55,377,357.24

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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.