Home / 128,304,004.20-192,456,006.30-94,291,780.20

Finding the Fourth Proportional to 128,304,004.20, 192,456,006.30 and 94,291,780.20

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Solution

The fourth proportional to 128,304,004.20, 192,456,006.30 and 94,291,780.20 is: 141,437,670.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,304,004.20 : 192,456,006.30 = 94,291,780.20 : x
  2. Step 2: Convert to fraction form
    128,304,004.20/192,456,006.30 = 94,291,780.20/x
  3. Step 3: Cross multiply
    128,304,004.20x = 192,456,006.30 × 94,291,780.20
  4. Step 4: Simplify right side
    128,304,004.20x = 18,147,019,444,209,416
  5. Step 5: Solve for x
    x = 18,147,019,444,209,416/128,304,004.20
  6. Step 6: Final answer
    x = 141,437,670.30

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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.