Home / 328,172,128.56-452,873,868.21-179,497,521.18

Finding the Fourth Proportional to 328,172,128.56, 452,873,868.21 and 179,497,521.18

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Solution

The fourth proportional to 328,172,128.56, 452,873,868.21 and 179,497,521.18 is: 247,704,572.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,172,128.56 : 452,873,868.21 = 179,497,521.18 : x
  2. Step 2: Convert to fraction form
    328,172,128.56/452,873,868.21 = 179,497,521.18/x
  3. Step 3: Cross multiply
    328,172,128.56x = 452,873,868.21 × 179,497,521.18
  4. Step 4: Simplify right side
    328,172,128.56x = 81,289,736,750,893,008
  5. Step 5: Solve for x
    x = 81,289,736,750,893,008/328,172,128.56
  6. Step 6: Final answer
    x = 247,704,572.32

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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.