Home / 201,949,108.98-302,499,443.89-128,134,893.95

Finding the Fourth Proportional to 201,949,108.98, 302,499,443.89 and 128,134,893.95

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Solution

The fourth proportional to 201,949,108.98, 302,499,443.89 and 128,134,893.95 is: 191,933,177.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,949,108.98 : 302,499,443.89 = 128,134,893.95 : x
  2. Step 2: Convert to fraction form
    201,949,108.98/302,499,443.89 = 128,134,893.95/x
  3. Step 3: Cross multiply
    201,949,108.98x = 302,499,443.89 × 128,134,893.95
  4. Step 4: Simplify right side
    201,949,108.98x = 38,760,734,160,988,008
  5. Step 5: Solve for x
    x = 38,760,734,160,988,008/201,949,108.98
  6. Step 6: Final answer
    x = 191,933,177.41

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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.