Home / 72,420,101.96-99,936,699.68-41,060,261.14

Finding the Fourth Proportional to 72,420,101.96, 99,936,699.68 and 41,060,261.14

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Solution

The fourth proportional to 72,420,101.96, 99,936,699.68 and 41,060,261.14 is: 56,661,436.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,420,101.96 : 99,936,699.68 = 41,060,261.14 : x
  2. Step 2: Convert to fraction form
    72,420,101.96/99,936,699.68 = 41,060,261.14/x
  3. Step 3: Cross multiply
    72,420,101.96x = 99,936,699.68 × 41,060,261.14
  4. Step 4: Simplify right side
    72,420,101.96x = 4,103,426,986,183,364
  5. Step 5: Solve for x
    x = 4,103,426,986,183,364/72,420,101.96
  6. Step 6: Final answer
    x = 56,661,436.20

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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.