Home / 152,087,820.40-228,131,730.60-146,713,049.20

Finding the Fourth Proportional to 152,087,820.40, 228,131,730.60 and 146,713,049.20

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Solution

The fourth proportional to 152,087,820.40, 228,131,730.60 and 146,713,049.20 is: 220,069,573.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,087,820.40 : 228,131,730.60 = 146,713,049.20 : x
  2. Step 2: Convert to fraction form
    152,087,820.40/228,131,730.60 = 146,713,049.20/x
  3. Step 3: Cross multiply
    152,087,820.40x = 228,131,730.60 × 146,713,049.20
  4. Step 4: Simplify right side
    152,087,820.40x = 33,469,901,815,598,940
  5. Step 5: Solve for x
    x = 33,469,901,815,598,940/152,087,820.40
  6. Step 6: Final answer
    x = 220,069,573.80

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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.