Home / 56,854,769.88-78,459,581.88-30,749,286.96

Finding the Fourth Proportional to 56,854,769.88, 78,459,581.88 and 30,749,286.96

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Solution

The fourth proportional to 56,854,769.88, 78,459,581.88 and 30,749,286.96 is: 42,434,015.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,854,769.88 : 78,459,581.88 = 30,749,286.96 : x
  2. Step 2: Convert to fraction form
    56,854,769.88/78,459,581.88 = 30,749,286.96/x
  3. Step 3: Cross multiply
    56,854,769.88x = 78,459,581.88 × 30,749,286.96
  4. Step 4: Simplify right side
    56,854,769.88x = 2,412,576,197,989,736
  5. Step 5: Solve for x
    x = 2,412,576,197,989,736/56,854,769.88
  6. Step 6: Final answer
    x = 42,434,015.70

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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.