Home / 312,103,165.20-468,013,030.20-117,950,053.20

Finding the Fourth Proportional to 312,103,165.20, 468,013,030.20 and 117,950,053.20

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Solution

The fourth proportional to 312,103,165.20, 468,013,030.20 and 117,950,053.20 is: 176,871,521.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,103,165.20 : 468,013,030.20 = 117,950,053.20 : x
  2. Step 2: Convert to fraction form
    312,103,165.20/468,013,030.20 = 117,950,053.20/x
  3. Step 3: Cross multiply
    312,103,165.20x = 468,013,030.20 × 117,950,053.20
  4. Step 4: Simplify right side
    312,103,165.20x = 55,202,161,810,383,208
  5. Step 5: Solve for x
    x = 55,202,161,810,383,208/312,103,165.20
  6. Step 6: Final answer
    x = 176,871,521.87

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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.