Home / 90,604,810.60-135,954,455.10-39,491,996.20

Finding the Fourth Proportional to 90,604,810.60, 135,954,455.10 and 39,491,996.20

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Solution

The fourth proportional to 90,604,810.60, 135,954,455.10 and 39,491,996.20 is: 59,258,584.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,604,810.60 : 135,954,455.10 = 39,491,996.20 : x
  2. Step 2: Convert to fraction form
    90,604,810.60/135,954,455.10 = 39,491,996.20/x
  3. Step 3: Cross multiply
    90,604,810.60x = 135,954,455.10 × 39,491,996.20
  4. Step 4: Simplify right side
    90,604,810.60x = 5,369,112,824,182,271
  5. Step 5: Solve for x
    x = 5,369,112,824,182,271/90,604,810.60
  6. Step 6: Final answer
    x = 59,258,584.49

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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.