Home / 186,729,133.41-280,094,766.63-77,554,304.50

Finding the Fourth Proportional to 186,729,133.41, 280,094,766.63 and 77,554,304.50

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Solution

The fourth proportional to 186,729,133.41, 280,094,766.63 and 77,554,304.50 is: 116,331,899.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,729,133.41 : 280,094,766.63 = 77,554,304.50 : x
  2. Step 2: Convert to fraction form
    186,729,133.41/280,094,766.63 = 77,554,304.50/x
  3. Step 3: Cross multiply
    186,729,133.41x = 280,094,766.63 × 77,554,304.50
  4. Step 4: Simplify right side
    186,729,133.41x = 21,722,554,820,391,924
  5. Step 5: Solve for x
    x = 21,722,554,820,391,924/186,729,133.41
  6. Step 6: Final answer
    x = 116,331,899.71

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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.