Home / 54,755,789.74-75,562,991.32-30,309,503.74

Finding the Fourth Proportional to 54,755,789.74, 75,562,991.32 and 30,309,503.74

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Solution

The fourth proportional to 54,755,789.74, 75,562,991.32 and 30,309,503.74 is: 41,827,115.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,755,789.74 : 75,562,991.32 = 30,309,503.74 : x
  2. Step 2: Convert to fraction form
    54,755,789.74/75,562,991.32 = 30,309,503.74/x
  3. Step 3: Cross multiply
    54,755,789.74x = 75,562,991.32 × 30,309,503.74
  4. Step 4: Simplify right side
    54,755,789.74x = 2,290,276,767,641,312.50
  5. Step 5: Solve for x
    x = 2,290,276,767,641,312.50/54,755,789.74
  6. Step 6: Final answer
    x = 41,827,115.98

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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.