Home / 79,893,060.30-119,839,590.45-76,757,777.10

Finding the Fourth Proportional to 79,893,060.30, 119,839,590.45 and 76,757,777.10

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Solution

The fourth proportional to 79,893,060.30, 119,839,590.45 and 76,757,777.10 is: 115,136,665.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,893,060.30 : 119,839,590.45 = 76,757,777.10 : x
  2. Step 2: Convert to fraction form
    79,893,060.30/119,839,590.45 = 76,757,777.10/x
  3. Step 3: Cross multiply
    79,893,060.30x = 119,839,590.45 × 76,757,777.10
  4. Step 4: Simplify right side
    79,893,060.30x = 9,198,620,571,516,388
  5. Step 5: Solve for x
    x = 9,198,620,571,516,388/79,893,060.30
  6. Step 6: Final answer
    x = 115,136,665.65

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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.