Home / 186,729,134.41-280,094,768.13-77,554,305.50

Finding the Fourth Proportional to 186,729,134.41, 280,094,768.13 and 77,554,305.50

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Solution

The fourth proportional to 186,729,134.41, 280,094,768.13 and 77,554,305.50 is: 116,331,901.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,729,134.41 : 280,094,768.13 = 77,554,305.50 : x
  2. Step 2: Convert to fraction form
    186,729,134.41/280,094,768.13 = 77,554,305.50/x
  3. Step 3: Cross multiply
    186,729,134.41x = 280,094,768.13 × 77,554,305.50
  4. Step 4: Simplify right side
    186,729,134.41x = 21,722,555,216,505,684
  5. Step 5: Solve for x
    x = 21,722,555,216,505,684/186,729,134.41
  6. Step 6: Final answer
    x = 116,331,901.21

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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.