Home / 289,108,122.96-433,662,172.32-84,636,197.28

Finding the Fourth Proportional to 289,108,122.96, 433,662,172.32 and 84,636,197.28

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Solution

The fourth proportional to 289,108,122.96, 433,662,172.32 and 84,636,197.28 is: 126,954,292.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,108,122.96 : 433,662,172.32 = 84,636,197.28 : x
  2. Step 2: Convert to fraction form
    289,108,122.96/433,662,172.32 = 84,636,197.28/x
  3. Step 3: Cross multiply
    289,108,122.96x = 433,662,172.32 × 84,636,197.28
  4. Step 4: Simplify right side
    289,108,122.96x = 36,703,517,169,348,872
  5. Step 5: Solve for x
    x = 36,703,517,169,348,872/289,108,122.96
  6. Step 6: Final answer
    x = 126,954,292.37

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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.