Home / 85,285,080-117,696,218.40-46,653,912

Finding the Fourth Proportional to 85,285,080, 117,696,218.40 and 46,653,912

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Solution

The fourth proportional to 85,285,080, 117,696,218.40 and 46,653,912 is: 64,383,934.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,285,080 : 117,696,218.40 = 46,653,912 : x
  2. Step 2: Convert to fraction form
    85,285,080/117,696,218.40 = 46,653,912/x
  3. Step 3: Cross multiply
    85,285,080x = 117,696,218.40 × 46,653,912
  4. Step 4: Simplify right side
    85,285,080x = 5,490,989,015,966,381
  5. Step 5: Solve for x
    x = 5,490,989,015,966,381/85,285,080
  6. Step 6: Final answer
    x = 64,383,934.63

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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.