Home / 209,573,555.72-314,012,809.62-127,443,999.24

Finding the Fourth Proportional to 209,573,555.72, 314,012,809.62 and 127,443,999.24

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Solution

The fourth proportional to 209,573,555.72, 314,012,809.62 and 127,443,999.24 is: 190,954,665.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,573,555.72 : 314,012,809.62 = 127,443,999.24 : x
  2. Step 2: Convert to fraction form
    209,573,555.72/314,012,809.62 = 127,443,999.24/x
  3. Step 3: Cross multiply
    209,573,555.72x = 314,012,809.62 × 127,443,999.24
  4. Step 4: Simplify right side
    209,573,555.72x = 40,019,048,270,561,544
  5. Step 5: Solve for x
    x = 40,019,048,270,561,544/209,573,555.72
  6. Step 6: Final answer
    x = 190,954,665.70

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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.