Home / 57,459,457.41-79,294,251.57-31,354,550.61

Finding the Fourth Proportional to 57,459,457.41, 79,294,251.57 and 31,354,550.61

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Solution

The fourth proportional to 57,459,457.41, 79,294,251.57 and 31,354,550.61 is: 43,269,389.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,459,457.41 : 79,294,251.57 = 31,354,550.61 : x
  2. Step 2: Convert to fraction form
    57,459,457.41/79,294,251.57 = 31,354,550.61/x
  3. Step 3: Cross multiply
    57,459,457.41x = 79,294,251.57 × 31,354,550.61
  4. Step 4: Simplify right side
    57,459,457.41x = 2,486,235,623,933,636.50
  5. Step 5: Solve for x
    x = 2,486,235,623,933,636.50/57,459,457.41
  6. Step 6: Final answer
    x = 43,269,389.17

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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.