Home / 221,664,005.40-332,496,008.10-206,547,461.40

Finding the Fourth Proportional to 221,664,005.40, 332,496,008.10 and 206,547,461.40

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Solution

The fourth proportional to 221,664,005.40, 332,496,008.10 and 206,547,461.40 is: 309,821,192.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,664,005.40 : 332,496,008.10 = 206,547,461.40 : x
  2. Step 2: Convert to fraction form
    221,664,005.40/332,496,008.10 = 206,547,461.40/x
  3. Step 3: Cross multiply
    221,664,005.40x = 332,496,008.10 × 206,547,461.40
  4. Step 4: Simplify right side
    221,664,005.40x = 68,676,206,398,688,848
  5. Step 5: Solve for x
    x = 68,676,206,398,688,848/221,664,005.40
  6. Step 6: Final answer
    x = 309,821,192.10

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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.