Home / 112,624,743-155,422,145.36-61,116,519

Finding the Fourth Proportional to 112,624,743, 155,422,145.36 and 61,116,519

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Solution

The fourth proportional to 112,624,743, 155,422,145.36 and 61,116,519 is: 84,340,796.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,624,743 : 155,422,145.36 = 61,116,519 : x
  2. Step 2: Convert to fraction form
    112,624,743/155,422,145.36 = 61,116,519/x
  3. Step 3: Cross multiply
    112,624,743x = 155,422,145.36 × 61,116,519
  4. Step 4: Simplify right side
    112,624,743x = 9,498,860,499,915,202
  5. Step 5: Solve for x
    x = 9,498,860,499,915,202/112,624,743
  6. Step 6: Final answer
    x = 84,340,796.23

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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.