Home / 79,208,949,768.12-118,862,294,885.43-36,705,924,723.78

Finding the Fourth Proportional to 79,208,949,768.12, 118,862,294,885.43 and 36,705,924,723.78

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Solution

The fourth proportional to 79,208,949,768.12, 118,862,294,885.43 and 36,705,924,723.78 is: 55,081,533,858.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,208,949,768.12 : 118,862,294,885.43 = 36,705,924,723.78 : x
  2. Step 2: Convert to fraction form
    79,208,949,768.12/118,862,294,885.43 = 36,705,924,723.78/x
  3. Step 3: Cross multiply
    79,208,949,768.12x = 118,862,294,885.43 × 36,705,924,723.78
  4. Step 4: Simplify right side
    79,208,949,768.12x = 4,362,950,448,560,333,651,968
  5. Step 5: Solve for x
    x = 4,362,950,448,560,333,651,968/79,208,949,768.12
  6. Step 6: Final answer
    x = 55,081,533,858.64

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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.