Home / 79,895,928.30-119,843,892.45-77,504,443.80

Finding the Fourth Proportional to 79,895,928.30, 119,843,892.45 and 77,504,443.80

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Solution

The fourth proportional to 79,895,928.30, 119,843,892.45 and 77,504,443.80 is: 116,256,665.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,895,928.30 : 119,843,892.45 = 77,504,443.80 : x
  2. Step 2: Convert to fraction form
    79,895,928.30/119,843,892.45 = 77,504,443.80/x
  3. Step 3: Cross multiply
    79,895,928.30x = 119,843,892.45 × 77,504,443.80
  4. Step 4: Simplify right side
    79,895,928.30x = 9,288,434,227,164,270
  5. Step 5: Solve for x
    x = 9,288,434,227,164,270/79,895,928.30
  6. Step 6: Final answer
    x = 116,256,665.70

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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.