Home / 152,090,984.56-209,885,614.30-82,476,346.72

Finding the Fourth Proportional to 152,090,984.56, 209,885,614.30 and 82,476,346.72

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Solution

The fourth proportional to 152,090,984.56, 209,885,614.30 and 82,476,346.72 is: 113,817,388.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,090,984.56 : 209,885,614.30 = 82,476,346.72 : x
  2. Step 2: Convert to fraction form
    152,090,984.56/209,885,614.30 = 82,476,346.72/x
  3. Step 3: Cross multiply
    152,090,984.56x = 209,885,614.30 × 82,476,346.72
  4. Step 4: Simplify right side
    152,090,984.56x = 17,310,598,696,546,990
  5. Step 5: Solve for x
    x = 17,310,598,696,546,990/152,090,984.56
  6. Step 6: Final answer
    x = 113,817,388.63

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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.