Home / 169,489,519.40-254,267,456.70-72,445,039.40

Finding the Fourth Proportional to 169,489,519.40, 254,267,456.70 and 72,445,039.40

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Solution

The fourth proportional to 169,489,519.40, 254,267,456.70 and 72,445,039.40 is: 108,681,740.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,489,519.40 : 254,267,456.70 = 72,445,039.40 : x
  2. Step 2: Convert to fraction form
    169,489,519.40/254,267,456.70 = 72,445,039.40/x
  3. Step 3: Cross multiply
    169,489,519.40x = 254,267,456.70 × 72,445,039.40
  4. Step 4: Simplify right side
    169,489,519.40x = 18,420,415,918,769,296
  5. Step 5: Solve for x
    x = 18,420,415,918,769,296/169,489,519.40
  6. Step 6: Final answer
    x = 108,681,740.23

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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.