Home / 72,420,102.96-99,936,701.06-41,060,262.14

Finding the Fourth Proportional to 72,420,102.96, 99,936,701.06 and 41,060,262.14

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Solution

The fourth proportional to 72,420,102.96, 99,936,701.06 and 41,060,262.14 is: 56,661,437.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,420,102.96 : 99,936,701.06 = 41,060,262.14 : x
  2. Step 2: Convert to fraction form
    72,420,102.96/99,936,701.06 = 41,060,262.14/x
  3. Step 3: Cross multiply
    72,420,102.96x = 99,936,701.06 × 41,060,262.14
  4. Step 4: Simplify right side
    72,420,102.96x = 4,103,427,142,930,416
  5. Step 5: Solve for x
    x = 4,103,427,142,930,416/72,420,102.96
  6. Step 6: Final answer
    x = 56,661,437.57

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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.