Home / 78,821,592.70-118,253,959.71-37,915,250.33

Finding the Fourth Proportional to 78,821,592.70, 118,253,959.71 and 37,915,250.33

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Solution

The fourth proportional to 78,821,592.70, 118,253,959.71 and 37,915,250.33 is: 56,883,251.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,821,592.70 : 118,253,959.71 = 37,915,250.33 : x
  2. Step 2: Convert to fraction form
    78,821,592.70/118,253,959.71 = 37,915,250.33/x
  3. Step 3: Cross multiply
    78,821,592.70x = 118,253,959.71 × 37,915,250.33
  4. Step 4: Simplify right side
    78,821,592.70x = 4,483,628,484,918,383.50
  5. Step 5: Solve for x
    x = 4,483,628,484,918,383.50/78,821,592.70
  6. Step 6: Final answer
    x = 56,883,251.55

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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.