Home / 165,999,490.42-249,085,408.89-67,703,311.15

Finding the Fourth Proportional to 165,999,490.42, 249,085,408.89 and 67,703,311.15

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Solution

The fourth proportional to 165,999,490.42, 249,085,408.89 and 67,703,311.15 is: 101,590,112.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,999,490.42 : 249,085,408.89 = 67,703,311.15 : x
  2. Step 2: Convert to fraction form
    165,999,490.42/249,085,408.89 = 67,703,311.15/x
  3. Step 3: Cross multiply
    165,999,490.42x = 249,085,408.89 × 67,703,311.15
  4. Step 4: Simplify right side
    165,999,490.42x = 16,863,906,939,420,700
  5. Step 5: Solve for x
    x = 16,863,906,939,420,700/165,999,490.42
  6. Step 6: Final answer
    x = 101,590,112.70

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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.