Home / 210,030,079.01-289,833,911.24-115,942,205.12

Finding the Fourth Proportional to 210,030,079.01, 289,833,911.24 and 115,942,205.12

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Solution

The fourth proportional to 210,030,079.01, 289,833,911.24 and 115,942,205.12 is: 159,996,048.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,030,079.01 : 289,833,911.24 = 115,942,205.12 : x
  2. Step 2: Convert to fraction form
    210,030,079.01/289,833,911.24 = 115,942,205.12/x
  3. Step 3: Cross multiply
    210,030,079.01x = 289,833,911.24 × 115,942,205.12
  4. Step 4: Simplify right side
    210,030,079.01x = 33,603,982,785,691,072
  5. Step 5: Solve for x
    x = 33,603,982,785,691,072/210,030,079.01
  6. Step 6: Final answer
    x = 159,996,048.87

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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.