Home / 85,376,886.80-117,820,078.94-46,218,634.79

Finding the Fourth Proportional to 85,376,886.80, 117,820,078.94 and 46,218,634.79

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Solution

The fourth proportional to 85,376,886.80, 117,820,078.94 and 46,218,634.79 is: 63,781,702.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,376,886.80 : 117,820,078.94 = 46,218,634.79 : x
  2. Step 2: Convert to fraction form
    85,376,886.80/117,820,078.94 = 46,218,634.79/x
  3. Step 3: Cross multiply
    85,376,886.80x = 117,820,078.94 × 46,218,634.79
  4. Step 4: Simplify right side
    85,376,886.80x = 5,445,483,198,983,276
  5. Step 5: Solve for x
    x = 5,445,483,198,983,276/85,376,886.80
  6. Step 6: Final answer
    x = 63,781,702.56

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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.