Home / 328,878,216.24-493,278,923.88-132,133,665.06

Finding the Fourth Proportional to 328,878,216.24, 493,278,923.88 and 132,133,665.06

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Solution

The fourth proportional to 328,878,216.24, 493,278,923.88 and 132,133,665.06 is: 198,185,069.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,878,216.24 : 493,278,923.88 = 132,133,665.06 : x
  2. Step 2: Convert to fraction form
    328,878,216.24/493,278,923.88 = 132,133,665.06/x
  3. Step 3: Cross multiply
    328,878,216.24x = 493,278,923.88 × 132,133,665.06
  4. Step 4: Simplify right side
    328,878,216.24x = 65,178,752,109,117,160
  5. Step 5: Solve for x
    x = 65,178,752,109,117,160/328,878,216.24
  6. Step 6: Final answer
    x = 198,185,069.40

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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.