Home / 328,761,009.95-493,164,525.56-132,024,393.46

Finding the Fourth Proportional to 328,761,009.95, 493,164,525.56 and 132,024,393.46

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Solution

The fourth proportional to 328,761,009.95, 493,164,525.56 and 132,024,393.46 is: 198,045,830.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,761,009.95 : 493,164,525.56 = 132,024,393.46 : x
  2. Step 2: Convert to fraction form
    328,761,009.95/493,164,525.56 = 132,024,393.46/x
  3. Step 3: Cross multiply
    328,761,009.95x = 493,164,525.56 × 132,024,393.46
  4. Step 4: Simplify right side
    328,761,009.95x = 65,109,747,362,144,816
  5. Step 5: Solve for x
    x = 65,109,747,362,144,816/328,761,009.95
  6. Step 6: Final answer
    x = 198,045,830.84

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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.