Home / 303,368,591.12-418,529,533.28-176,187,618.61

Finding the Fourth Proportional to 303,368,591.12, 418,529,533.28 and 176,187,618.61

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Solution

The fourth proportional to 303,368,591.12, 418,529,533.28 and 176,187,618.61 is: 243,069,730.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,368,591.12 : 418,529,533.28 = 176,187,618.61 : x
  2. Step 2: Convert to fraction form
    303,368,591.12/418,529,533.28 = 176,187,618.61/x
  3. Step 3: Cross multiply
    303,368,591.12x = 418,529,533.28 × 176,187,618.61
  4. Step 4: Simplify right side
    303,368,591.12x = 73,739,721,786,557,936
  5. Step 5: Solve for x
    x = 73,739,721,786,557,936/303,368,591.12
  6. Step 6: Final answer
    x = 243,069,730.83

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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.