Home / 76,691,354.94-105,836,681.40-45,356,265

Finding the Fourth Proportional to 76,691,354.94, 105,836,681.40 and 45,356,265

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Solution

The fourth proportional to 76,691,354.94, 105,836,681.40 and 45,356,265 is: 62,593,190.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,691,354.94 : 105,836,681.40 = 45,356,265 : x
  2. Step 2: Convert to fraction form
    76,691,354.94/105,836,681.40 = 45,356,265/x
  3. Step 3: Cross multiply
    76,691,354.94x = 105,836,681.40 × 45,356,265
  4. Step 4: Simplify right side
    76,691,354.94x = 4,800,356,568,298,971
  5. Step 5: Solve for x
    x = 4,800,356,568,298,971/76,691,354.94
  6. Step 6: Final answer
    x = 62,593,190.22

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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.