Home / 221,238,005.80-331,857,008.70-152,363,252.20

Finding the Fourth Proportional to 221,238,005.80, 331,857,008.70 and 152,363,252.20

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Solution

The fourth proportional to 221,238,005.80, 331,857,008.70 and 152,363,252.20 is: 228,544,878.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,238,005.80 : 331,857,008.70 = 152,363,252.20 : x
  2. Step 2: Convert to fraction form
    221,238,005.80/331,857,008.70 = 152,363,252.20/x
  3. Step 3: Cross multiply
    221,238,005.80x = 331,857,008.70 × 152,363,252.20
  4. Step 4: Simplify right side
    221,238,005.80x = 50,562,813,110,895,688
  5. Step 5: Solve for x
    x = 50,562,813,110,895,688/221,238,005.80
  6. Step 6: Final answer
    x = 228,544,878.30

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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.