Home / 277,054,683.20-415,307,920.80-131,231,938.40

Finding the Fourth Proportional to 277,054,683.20, 415,307,920.80 and 131,231,938.40

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Solution

The fourth proportional to 277,054,683.20, 415,307,920.80 and 131,231,938.40 is: 196,718,073.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,054,683.20 : 415,307,920.80 = 131,231,938.40 : x
  2. Step 2: Convert to fraction form
    277,054,683.20/415,307,920.80 = 131,231,938.40/x
  3. Step 3: Cross multiply
    277,054,683.20x = 415,307,920.80 × 131,231,938.40
  4. Step 4: Simplify right side
    277,054,683.20x = 54,501,663,479,457,680
  5. Step 5: Solve for x
    x = 54,501,663,479,457,680/277,054,683.20
  6. Step 6: Final answer
    x = 196,718,073.31

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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.