Home / 272,000,320.56-407,960,619.80-133,788,828.78

Finding the Fourth Proportional to 272,000,320.56, 407,960,619.80 and 133,788,828.78

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Solution

The fourth proportional to 272,000,320.56, 407,960,619.80 and 133,788,828.78 is: 200,663,636.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,000,320.56 : 407,960,619.80 = 133,788,828.78 : x
  2. Step 2: Convert to fraction form
    272,000,320.56/407,960,619.80 = 133,788,828.78/x
  3. Step 3: Cross multiply
    272,000,320.56x = 407,960,619.80 × 133,788,828.78
  4. Step 4: Simplify right side
    272,000,320.56x = 54,580,573,510,735,936
  5. Step 5: Solve for x
    x = 54,580,573,510,735,936/272,000,320.56
  6. Step 6: Final answer
    x = 200,663,636.71

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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.