Home / 192,703,363-289,111,826.58-77,628,689.08

Finding the Fourth Proportional to 192,703,363, 289,111,826.58 and 77,628,689.08

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Solution

The fourth proportional to 192,703,363, 289,111,826.58 and 77,628,689.08 is: 116,465,907.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,703,363 : 289,111,826.58 = 77,628,689.08 : x
  2. Step 2: Convert to fraction form
    192,703,363/289,111,826.58 = 77,628,689.08/x
  3. Step 3: Cross multiply
    192,703,363x = 289,111,826.58 × 77,628,689.08
  4. Step 4: Simplify right side
    192,703,363x = 22,443,372,094,929,696
  5. Step 5: Solve for x
    x = 22,443,372,094,929,696/192,703,363
  6. Step 6: Final answer
    x = 116,465,907.73

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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.