Home / 53,939,373.35-74,418,120.99-30,718,058.85

Finding the Fourth Proportional to 53,939,373.35, 74,418,120.99 and 30,718,058.85

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Solution

The fourth proportional to 53,939,373.35, 74,418,120.99 and 30,718,058.85 is: 42,380,548.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,939,373.35 : 74,418,120.99 = 30,718,058.85 : x
  2. Step 2: Convert to fraction form
    53,939,373.35/74,418,120.99 = 30,718,058.85/x
  3. Step 3: Cross multiply
    53,939,373.35x = 74,418,120.99 × 30,718,058.85
  4. Step 4: Simplify right side
    53,939,373.35x = 2,285,980,220,077,240
  5. Step 5: Solve for x
    x = 2,285,980,220,077,240/53,939,373.35
  6. Step 6: Final answer
    x = 42,380,548.35

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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.