Home / 210,029,837.76-289,833,580.44-115,941,964.88

Finding the Fourth Proportional to 210,029,837.76, 289,833,580.44 and 115,941,964.88

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Solution

The fourth proportional to 210,029,837.76, 289,833,580.44 and 115,941,964.88 is: 159,995,718.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,029,837.76 : 289,833,580.44 = 115,941,964.88 : x
  2. Step 2: Convert to fraction form
    210,029,837.76/289,833,580.44 = 115,941,964.88/x
  3. Step 3: Cross multiply
    210,029,837.76x = 289,833,580.44 × 115,941,964.88
  4. Step 4: Simplify right side
    210,029,837.76x = 33,603,874,804,419,132
  5. Step 5: Solve for x
    x = 33,603,874,804,419,132/210,029,837.76
  6. Step 6: Final answer
    x = 159,995,718.53

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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.