Home / 76,810,661.60-114,992,043.60-74,571,173.60

Finding the Fourth Proportional to 76,810,661.60, 114,992,043.60 and 74,571,173.60

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Solution

The fourth proportional to 76,810,661.60, 114,992,043.60 and 74,571,173.60 is: 111,639,341.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,810,661.60 : 114,992,043.60 = 74,571,173.60 : x
  2. Step 2: Convert to fraction form
    76,810,661.60/114,992,043.60 = 74,571,173.60/x
  3. Step 3: Cross multiply
    76,810,661.60x = 114,992,043.60 × 74,571,173.60
  4. Step 4: Simplify right side
    76,810,661.60x = 8,575,091,645,914,368
  5. Step 5: Solve for x
    x = 8,575,091,645,914,368/76,810,661.60
  6. Step 6: Final answer
    x = 111,639,341.04

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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.