Home / 79,340,853.96-118,956,949.38-40,403,935.26

Finding the Fourth Proportional to 79,340,853.96, 118,956,949.38 and 40,403,935.26

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Solution

The fourth proportional to 79,340,853.96, 118,956,949.38 and 40,403,935.26 is: 60,578,234.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,340,853.96 : 118,956,949.38 = 40,403,935.26 : x
  2. Step 2: Convert to fraction form
    79,340,853.96/118,956,949.38 = 40,403,935.26/x
  3. Step 3: Cross multiply
    79,340,853.96x = 118,956,949.38 × 40,403,935.26
  4. Step 4: Simplify right side
    79,340,853.96x = 4,806,328,881,476,617
  5. Step 5: Solve for x
    x = 4,806,328,881,476,617/79,340,853.96
  6. Step 6: Final answer
    x = 60,578,234.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.