Home / 112,072,359.30-168,108,538.95-107,767,687.20

Finding the Fourth Proportional to 112,072,359.30, 168,108,538.95 and 107,767,687.20

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Solution

The fourth proportional to 112,072,359.30, 168,108,538.95 and 107,767,687.20 is: 161,651,530.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,072,359.30 : 168,108,538.95 = 107,767,687.20 : x
  2. Step 2: Convert to fraction form
    112,072,359.30/168,108,538.95 = 107,767,687.20/x
  3. Step 3: Cross multiply
    112,072,359.30x = 168,108,538.95 × 107,767,687.20
  4. Step 4: Simplify right side
    112,072,359.30x = 18,116,668,441,212,616
  5. Step 5: Solve for x
    x = 18,116,668,441,212,616/112,072,359.30
  6. Step 6: Final answer
    x = 161,651,530.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.