Home / 192,457,008.30-288,685,512.45-131,235,005.10

Finding the Fourth Proportional to 192,457,008.30, 288,685,512.45 and 131,235,005.10

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Solution

The fourth proportional to 192,457,008.30, 288,685,512.45 and 131,235,005.10 is: 196,852,507.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,457,008.30 : 288,685,512.45 = 131,235,005.10 : x
  2. Step 2: Convert to fraction form
    192,457,008.30/288,685,512.45 = 131,235,005.10/x
  3. Step 3: Cross multiply
    192,457,008.30x = 288,685,512.45 × 131,235,005.10
  4. Step 4: Simplify right side
    192,457,008.30x = 37,885,644,698,671,864
  5. Step 5: Solve for x
    x = 37,885,644,698,671,864/192,457,008.30
  6. Step 6: Final answer
    x = 196,852,507.65

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1.5x scale

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.