Home / 263,114,766.28-363,014,904.14-153,085,221.64

Finding the Fourth Proportional to 263,114,766.28, 363,014,904.14 and 153,085,221.64

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Solution

The fourth proportional to 263,114,766.28, 363,014,904.14 and 153,085,221.64 is: 211,209,039.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,114,766.28 : 363,014,904.14 = 153,085,221.64 : x
  2. Step 2: Convert to fraction form
    263,114,766.28/363,014,904.14 = 153,085,221.64/x
  3. Step 3: Cross multiply
    263,114,766.28x = 363,014,904.14 × 153,085,221.64
  4. Step 4: Simplify right side
    263,114,766.28x = 55,572,217,058,895,248
  5. Step 5: Solve for x
    x = 55,572,217,058,895,248/263,114,766.28
  6. Step 6: Final answer
    x = 211,209,039.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.