Home / 189,752,478.03-284,635,017.78-65,253,885.38

Finding the Fourth Proportional to 189,752,478.03, 284,635,017.78 and 65,253,885.38

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Solution

The fourth proportional to 189,752,478.03, 284,635,017.78 and 65,253,885.38 is: 97,882,994.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,752,478.03 : 284,635,017.78 = 65,253,885.38 : x
  2. Step 2: Convert to fraction form
    189,752,478.03/284,635,017.78 = 65,253,885.38/x
  3. Step 3: Cross multiply
    189,752,478.03x = 284,635,017.78 × 65,253,885.38
  4. Step 4: Simplify right side
    189,752,478.03x = 18,573,540,823,927,204
  5. Step 5: Solve for x
    x = 18,573,540,823,927,204/189,752,478.03
  6. Step 6: Final answer
    x = 97,882,994.82

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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.