Home / 112,623,927.75-155,421,020.31-61,115,703.75

Finding the Fourth Proportional to 112,623,927.75, 155,421,020.31 and 61,115,703.75

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Solution

The fourth proportional to 112,623,927.75, 155,421,020.31 and 61,115,703.75 is: 84,339,671.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,623,927.75 : 155,421,020.31 = 61,115,703.75 : x
  2. Step 2: Convert to fraction form
    112,623,927.75/155,421,020.31 = 61,115,703.75/x
  3. Step 3: Cross multiply
    112,623,927.75x = 155,421,020.31 × 61,115,703.75
  4. Step 4: Simplify right side
    112,623,927.75x = 9,498,665,033,788,694
  5. Step 5: Solve for x
    x = 9,498,665,033,788,694/112,623,927.75
  6. Step 6: Final answer
    x = 84,339,671.18

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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.