Home / 155,423,968.21-214,503,884.54-88,459,208.72

Finding the Fourth Proportional to 155,423,968.21, 214,503,884.54 and 88,459,208.72

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Solution

The fourth proportional to 155,423,968.21, 214,503,884.54 and 88,459,208.72 is: 122,084,412.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,423,968.21 : 214,503,884.54 = 88,459,208.72 : x
  2. Step 2: Convert to fraction form
    155,423,968.21/214,503,884.54 = 88,459,208.72/x
  3. Step 3: Cross multiply
    155,423,968.21x = 214,503,884.54 × 88,459,208.72
  4. Step 4: Simplify right side
    155,423,968.21x = 18,974,843,893,774,640
  5. Step 5: Solve for x
    x = 18,974,843,893,774,640/155,423,968.21
  6. Step 6: Final answer
    x = 122,084,412.80

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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.