Home / 68,590,402.36-94,654,890.54-40,718,703.04

Finding the Fourth Proportional to 68,590,402.36, 94,654,890.54 and 40,718,703.04

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Solution

The fourth proportional to 68,590,402.36, 94,654,890.54 and 40,718,703.04 is: 56,191,890.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,590,402.36 : 94,654,890.54 = 40,718,703.04 : x
  2. Step 2: Convert to fraction form
    68,590,402.36/94,654,890.54 = 40,718,703.04/x
  3. Step 3: Cross multiply
    68,590,402.36x = 94,654,890.54 × 40,718,703.04
  4. Step 4: Simplify right side
    68,590,402.36x = 3,854,224,379,181,965.50
  5. Step 5: Solve for x
    x = 3,854,224,379,181,965.50/68,590,402.36
  6. Step 6: Final answer
    x = 56,191,890.51

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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.