Home / 221,238,005.40-331,857,008.10-152,363,251.80

Finding the Fourth Proportional to 221,238,005.40, 331,857,008.10 and 152,363,251.80

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Solution

The fourth proportional to 221,238,005.40, 331,857,008.10 and 152,363,251.80 is: 228,544,877.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,238,005.40 : 331,857,008.10 = 152,363,251.80 : x
  2. Step 2: Convert to fraction form
    221,238,005.40/331,857,008.10 = 152,363,251.80/x
  3. Step 3: Cross multiply
    221,238,005.40x = 331,857,008.10 × 152,363,251.80
  4. Step 4: Simplify right side
    221,238,005.40x = 50,562,812,886,734,944
  5. Step 5: Solve for x
    x = 50,562,812,886,734,944/221,238,005.40
  6. Step 6: Final answer
    x = 228,544,877.70

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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.