Home / 122,484,259.88-168,914,740.45-89,392,092.20

Finding the Fourth Proportional to 122,484,259.88, 168,914,740.45 and 89,392,092.20

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Solution

The fourth proportional to 122,484,259.88, 168,914,740.45 and 89,392,092.20 is: 123,278,224.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,484,259.88 : 168,914,740.45 = 89,392,092.20 : x
  2. Step 2: Convert to fraction form
    122,484,259.88/168,914,740.45 = 89,392,092.20/x
  3. Step 3: Cross multiply
    122,484,259.88x = 168,914,740.45 × 89,392,092.20
  4. Step 4: Simplify right side
    122,484,259.88x = 15,099,642,052,146,066
  5. Step 5: Solve for x
    x = 15,099,642,052,146,066/122,484,259.88
  6. Step 6: Final answer
    x = 123,278,224.22

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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.