Home / 85,376,878.96-117,820,068.12-46,218,626.68

Finding the Fourth Proportional to 85,376,878.96, 117,820,068.12 and 46,218,626.68

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Solution

The fourth proportional to 85,376,878.96, 117,820,068.12 and 46,218,626.68 is: 63,781,691.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,376,878.96 : 117,820,068.12 = 46,218,626.68 : x
  2. Step 2: Convert to fraction form
    85,376,878.96/117,820,068.12 = 46,218,626.68/x
  3. Step 3: Cross multiply
    85,376,878.96x = 117,820,068.12 × 46,218,626.68
  4. Step 4: Simplify right side
    85,376,878.96x = 5,445,481,743,850,450
  5. Step 5: Solve for x
    x = 5,445,481,743,850,450/85,376,878.96
  6. Step 6: Final answer
    x = 63,781,691.37

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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.