Home / 328,878,237.28-493,278,955.38-132,133,686.06

Finding the Fourth Proportional to 328,878,237.28, 493,278,955.38 and 132,133,686.06

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Solution

The fourth proportional to 328,878,237.28, 493,278,955.38 and 132,133,686.06 is: 198,185,100.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,878,237.28 : 493,278,955.38 = 132,133,686.06 : x
  2. Step 2: Convert to fraction form
    328,878,237.28/493,278,955.38 = 132,133,686.06/x
  3. Step 3: Cross multiply
    328,878,237.28x = 493,278,955.38 × 132,133,686.06
  4. Step 4: Simplify right side
    328,878,237.28x = 65,178,766,630,185,672
  5. Step 5: Solve for x
    x = 65,178,766,630,185,672/328,878,237.28
  6. Step 6: Final answer
    x = 198,185,100.87

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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.