Home / 216,500,785.71-298,773,304.52-117,381,724.80

Finding the Fourth Proportional to 216,500,785.71, 298,773,304.52 and 117,381,724.80

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Solution

The fourth proportional to 216,500,785.71, 298,773,304.52 and 117,381,724.80 is: 161,987,983.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,500,785.71 : 298,773,304.52 = 117,381,724.80 : x
  2. Step 2: Convert to fraction form
    216,500,785.71/298,773,304.52 = 117,381,724.80/x
  3. Step 3: Cross multiply
    216,500,785.71x = 298,773,304.52 × 117,381,724.80
  4. Step 4: Simplify right side
    216,500,785.71x = 35,070,525,807,045,928
  5. Step 5: Solve for x
    x = 35,070,525,807,045,928/216,500,785.71
  6. Step 6: Final answer
    x = 161,987,983.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.