Home / 221,564,334.20-332,049,402.73-172,439,502.80

Finding the Fourth Proportional to 221,564,334.20, 332,049,402.73 and 172,439,502.80

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Solution

The fourth proportional to 221,564,334.20, 332,049,402.73 and 172,439,502.80 is: 258,428,027.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,564,334.20 : 332,049,402.73 = 172,439,502.80 : x
  2. Step 2: Convert to fraction form
    221,564,334.20/332,049,402.73 = 172,439,502.80/x
  3. Step 3: Cross multiply
    221,564,334.20x = 332,049,402.73 × 172,439,502.80
  4. Step 4: Simplify right side
    221,564,334.20x = 57,258,433,911,798,168
  5. Step 5: Solve for x
    x = 57,258,433,911,798,168/221,564,334.20
  6. Step 6: Final answer
    x = 258,428,027.77

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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.