Home / 152,437,330.28-228,540,288.54-78,581,523.80

Finding the Fourth Proportional to 152,437,330.28, 228,540,288.54 and 78,581,523.80

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Solution

The fourth proportional to 152,437,330.28, 228,540,288.54 and 78,581,523.80 is: 117,812,638.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,437,330.28 : 228,540,288.54 = 78,581,523.80 : x
  2. Step 2: Convert to fraction form
    152,437,330.28/228,540,288.54 = 78,581,523.80/x
  3. Step 3: Cross multiply
    152,437,330.28x = 228,540,288.54 × 78,581,523.80
  4. Step 4: Simplify right side
    152,437,330.28x = 17,959,044,123,164,876
  5. Step 5: Solve for x
    x = 17,959,044,123,164,876/152,437,330.28
  6. Step 6: Final answer
    x = 117,812,638.74

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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.