Home / 270,187,011.57-405,313,312.56-76,098,426.65

Finding the Fourth Proportional to 270,187,011.57, 405,313,312.56 and 76,098,426.65

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Solution

The fourth proportional to 270,187,011.57, 405,313,312.56 and 76,098,426.65 is: 114,156,876.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,187,011.57 : 405,313,312.56 = 76,098,426.65 : x
  2. Step 2: Convert to fraction form
    270,187,011.57/405,313,312.56 = 76,098,426.65/x
  3. Step 3: Cross multiply
    270,187,011.57x = 405,313,312.56 × 76,098,426.65
  4. Step 4: Simplify right side
    270,187,011.57x = 30,843,705,385,323,676
  5. Step 5: Solve for x
    x = 30,843,705,385,323,676/270,187,011.57
  6. Step 6: Final answer
    x = 114,156,876.77

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