Home / 165,999,490.41-249,085,408.89-67,703,311.15

Finding the Fourth Proportional to 165,999,490.41, 249,085,408.89 and 67,703,311.15

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Solution

The fourth proportional to 165,999,490.41, 249,085,408.89 and 67,703,311.15 is: 101,590,112.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,999,490.41 : 249,085,408.89 = 67,703,311.15 : x
  2. Step 2: Convert to fraction form
    165,999,490.41/249,085,408.89 = 67,703,311.15/x
  3. Step 3: Cross multiply
    165,999,490.41x = 249,085,408.89 × 67,703,311.15
  4. Step 4: Simplify right side
    165,999,490.41x = 16,863,906,941,004,646
  5. Step 5: Solve for x
    x = 16,863,906,941,004,646/165,999,490.41
  6. Step 6: Final answer
    x = 101,590,112.71

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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.