Home / 55,730,083.20-76,910,063.40-30,950,381.76

Finding the Fourth Proportional to 55,730,083.20, 76,910,063.40 and 30,950,381.76

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Solution

The fourth proportional to 55,730,083.20, 76,910,063.40 and 30,950,381.76 is: 42,712,942.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,730,083.20 : 76,910,063.40 = 30,950,381.76 : x
  2. Step 2: Convert to fraction form
    55,730,083.20/76,910,063.40 = 30,950,381.76/x
  3. Step 3: Cross multiply
    55,730,083.20x = 76,910,063.40 × 30,950,381.76
  4. Step 4: Simplify right side
    55,730,083.20x = 2,380,395,823,415,804
  5. Step 5: Solve for x
    x = 2,380,395,823,415,804/55,730,083.20
  6. Step 6: Final answer
    x = 42,712,942.22

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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.