Home / 270,187,011.41-405,313,312.28-76,098,426.47

Finding the Fourth Proportional to 270,187,011.41, 405,313,312.28 and 76,098,426.47

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Solution

The fourth proportional to 270,187,011.41, 405,313,312.28 and 76,098,426.47 is: 114,156,876.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,187,011.41 : 405,313,312.28 = 76,098,426.47 : x
  2. Step 2: Convert to fraction form
    270,187,011.41/405,313,312.28 = 76,098,426.47/x
  3. Step 3: Cross multiply
    270,187,011.41x = 405,313,312.28 × 76,098,426.47
  4. Step 4: Simplify right side
    270,187,011.41x = 30,843,705,289,444,668
  5. Step 5: Solve for x
    x = 30,843,705,289,444,668/270,187,011.41
  6. Step 6: Final answer
    x = 114,156,876.49

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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.