Home / 204,207,669.48-281,910,646.98-157,693,503.72

Finding the Fourth Proportional to 204,207,669.48, 281,910,646.98 and 157,693,503.72

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Solution

The fourth proportional to 204,207,669.48, 281,910,646.98 and 157,693,503.72 is: 217,697,394.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,207,669.48 : 281,910,646.98 = 157,693,503.72 : x
  2. Step 2: Convert to fraction form
    204,207,669.48/281,910,646.98 = 157,693,503.72/x
  3. Step 3: Cross multiply
    204,207,669.48x = 281,910,646.98 × 157,693,503.72
  4. Step 4: Simplify right side
    204,207,669.48x = 44,455,477,658,248,240
  5. Step 5: Solve for x
    x = 44,455,477,658,248,240/204,207,669.48
  6. Step 6: Final answer
    x = 217,697,394.87

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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.