Home / 345,608,502.03-518,413,251.97-141,136,577.28

Finding the Fourth Proportional to 345,608,502.03, 518,413,251.97 and 141,136,577.28

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Solution

The fourth proportional to 345,608,502.03, 518,413,251.97 and 141,136,577.28 is: 211,705,069.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,608,502.03 : 518,413,251.97 = 141,136,577.28 : x
  2. Step 2: Convert to fraction form
    345,608,502.03/518,413,251.97 = 141,136,577.28/x
  3. Step 3: Cross multiply
    345,608,502.03x = 518,413,251.97 × 141,136,577.28
  4. Step 4: Simplify right side
    345,608,502.03x = 73,167,071,999,640,016
  5. Step 5: Solve for x
    x = 73,167,071,999,640,016/345,608,502.03
  6. Step 6: Final answer
    x = 211,705,069.67

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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.