Home / 57,457,755.27-79,293,616.20-31,353,705.45

Finding the Fourth Proportional to 57,457,755.27, 79,293,616.20 and 31,353,705.45

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Solution

The fourth proportional to 57,457,755.27, 79,293,616.20 and 31,353,705.45 is: 43,269,157.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,457,755.27 : 79,293,616.20 = 31,353,705.45 : x
  2. Step 2: Convert to fraction form
    57,457,755.27/79,293,616.20 = 31,353,705.45/x
  3. Step 3: Cross multiply
    57,457,755.27x = 79,293,616.20 × 31,353,705.45
  4. Step 4: Simplify right side
    57,457,755.27x = 2,486,148,686,400,148.50
  5. Step 5: Solve for x
    x = 2,486,148,686,400,148.50/57,457,755.27
  6. Step 6: Final answer
    x = 43,269,157.92

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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.