Home / 155,072,919,845.92-214,000,629,799.26-83,787,549,869.91

Finding the Fourth Proportional to 155,072,919,845.92, 214,000,629,799.26 and 83,787,549,869.91

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Solution

The fourth proportional to 155,072,919,845.92, 214,000,629,799.26 and 83,787,549,869.91 is: 115,626,819,043.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,072,919,845.92 : 214,000,629,799.26 = 83,787,549,869.91 : x
  2. Step 2: Convert to fraction form
    155,072,919,845.92/214,000,629,799.26 = 83,787,549,869.91/x
  3. Step 3: Cross multiply
    155,072,919,845.92x = 214,000,629,799.26 × 83,787,549,869.91
  4. Step 4: Simplify right side
    155,072,919,845.92x = 17,930,588,441,497,003,098,112
  5. Step 5: Solve for x
    x = 17,930,588,441,497,003,098,112/155,072,919,845.92
  6. Step 6: Final answer
    x = 115,626,819,043.02

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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.