Home / 155,072,919,847.42-214,000,629,801.33-83,787,549,871.41

Finding the Fourth Proportional to 155,072,919,847.42, 214,000,629,801.33 and 83,787,549,871.41

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Solution

The fourth proportional to 155,072,919,847.42, 214,000,629,801.33 and 83,787,549,871.41 is: 115,626,819,045.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,072,919,847.42 : 214,000,629,801.33 = 83,787,549,871.41 : x
  2. Step 2: Convert to fraction form
    155,072,919,847.42/214,000,629,801.33 = 83,787,549,871.41/x
  3. Step 3: Cross multiply
    155,072,919,847.42x = 214,000,629,801.33 × 83,787,549,871.41
  4. Step 4: Simplify right side
    155,072,919,847.42x = 17,930,588,441,992,086,159,360
  5. Step 5: Solve for x
    x = 17,930,588,441,992,086,159,360/155,072,919,847.42
  6. Step 6: Final answer
    x = 115,626,819,045.10

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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.