Home / 219,178,916.72-302,431,362.36-131,109,305.84

Finding the Fourth Proportional to 219,178,916.72, 302,431,362.36 and 131,109,305.84

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Solution

The fourth proportional to 219,178,916.72, 302,431,362.36 and 131,109,305.84 is: 180,909,580.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,178,916.72 : 302,431,362.36 = 131,109,305.84 : x
  2. Step 2: Convert to fraction form
    219,178,916.72/302,431,362.36 = 131,109,305.84/x
  3. Step 3: Cross multiply
    219,178,916.72x = 302,431,362.36 × 131,109,305.84
  4. Step 4: Simplify right side
    219,178,916.72x = 39,651,565,983,265,104
  5. Step 5: Solve for x
    x = 39,651,565,983,265,104/219,178,916.72
  6. Step 6: Final answer
    x = 180,909,580.98

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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.