Home / 157,281,371.22-236,002,892.46-120,628,721.98

Finding the Fourth Proportional to 157,281,371.22, 236,002,892.46 and 120,628,721.98

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Solution

The fourth proportional to 157,281,371.22, 236,002,892.46 and 120,628,721.98 is: 181,005,080.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,281,371.22 : 236,002,892.46 = 120,628,721.98 : x
  2. Step 2: Convert to fraction form
    157,281,371.22/236,002,892.46 = 120,628,721.98/x
  3. Step 3: Cross multiply
    157,281,371.22x = 236,002,892.46 × 120,628,721.98
  4. Step 4: Simplify right side
    157,281,371.22x = 28,468,727,300,875,828
  5. Step 5: Solve for x
    x = 28,468,727,300,875,828/157,281,371.22
  6. Step 6: Final answer
    x = 181,005,080.76

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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.