Home / 53,863,457.10-74,332,046.43-30,660,078.30

Finding the Fourth Proportional to 53,863,457.10, 74,332,046.43 and 30,660,078.30

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Solution

The fourth proportional to 53,863,457.10, 74,332,046.43 and 30,660,078.30 is: 42,311,178.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,863,457.10 : 74,332,046.43 = 30,660,078.30 : x
  2. Step 2: Convert to fraction form
    53,863,457.10/74,332,046.43 = 30,660,078.30/x
  3. Step 3: Cross multiply
    53,863,457.10x = 74,332,046.43 × 30,660,078.30
  4. Step 4: Simplify right side
    53,863,457.10x = 2,279,026,363,743,035.50
  5. Step 5: Solve for x
    x = 2,279,026,363,743,035.50/53,863,457.10
  6. Step 6: Final answer
    x = 42,311,178.79

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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.