Home / 540,012,021.68-810,012,127.59-131,068,172.18

Finding the Fourth Proportional to 540,012,021.68, 810,012,127.59 and 131,068,172.18

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Solution

The fourth proportional to 540,012,021.68, 810,012,127.59 and 131,068,172.18 is: 196,600,825.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,012,021.68 : 810,012,127.59 = 131,068,172.18 : x
  2. Step 2: Convert to fraction form
    540,012,021.68/810,012,127.59 = 131,068,172.18/x
  3. Step 3: Cross multiply
    540,012,021.68x = 810,012,127.59 × 131,068,172.18
  4. Step 4: Simplify right side
    540,012,021.68x = 106,166,809,002,804,192
  5. Step 5: Solve for x
    x = 106,166,809,002,804,192/540,012,021.68
  6. Step 6: Final answer
    x = 196,600,825.06

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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.