Home / 155,072,919,958.34-214,000,629,954.39-83,787,549,982.34

Finding the Fourth Proportional to 155,072,919,958.34, 214,000,629,954.39 and 83,787,549,982.34

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Solution

The fourth proportional to 155,072,919,958.34, 214,000,629,954.39 and 83,787,549,982.34 is: 115,626,819,198.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,072,919,958.34 : 214,000,629,954.39 = 83,787,549,982.34 : x
  2. Step 2: Convert to fraction form
    155,072,919,958.34/214,000,629,954.39 = 83,787,549,982.34/x
  3. Step 3: Cross multiply
    155,072,919,958.34x = 214,000,629,954.39 × 83,787,549,982.34
  4. Step 4: Simplify right side
    155,072,919,958.34x = 17,930,588,478,555,698,495,488
  5. Step 5: Solve for x
    x = 17,930,588,478,555,698,495,488/155,072,919,958.34
  6. Step 6: Final answer
    x = 115,626,819,198.17

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.