Home / 85,712,034.23-118,262,344.37-50,431,379.27

Finding the Fourth Proportional to 85,712,034.23, 118,262,344.37 and 50,431,379.27

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Solution

The fourth proportional to 85,712,034.23, 118,262,344.37 and 50,431,379.27 is: 69,583,381.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,712,034.23 : 118,262,344.37 = 50,431,379.27 : x
  2. Step 2: Convert to fraction form
    85,712,034.23/118,262,344.37 = 50,431,379.27/x
  3. Step 3: Cross multiply
    85,712,034.23x = 118,262,344.37 × 50,431,379.27
  4. Step 4: Simplify right side
    85,712,034.23x = 5,964,133,141,439,350
  5. Step 5: Solve for x
    x = 5,964,133,141,439,350/85,712,034.23
  6. Step 6: Final answer
    x = 69,583,381.09

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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.