Home / 132,430,048.90-198,645,073.35-36,691,936.90

Finding the Fourth Proportional to 132,430,048.90, 198,645,073.35 and 36,691,936.90

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Solution

The fourth proportional to 132,430,048.90, 198,645,073.35 and 36,691,936.90 is: 55,037,905.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,430,048.90 : 198,645,073.35 = 36,691,936.90 : x
  2. Step 2: Convert to fraction form
    132,430,048.90/198,645,073.35 = 36,691,936.90/x
  3. Step 3: Cross multiply
    132,430,048.90x = 198,645,073.35 × 36,691,936.90
  4. Step 4: Simplify right side
    132,430,048.90x = 7,288,672,496,854,071
  5. Step 5: Solve for x
    x = 7,288,672,496,854,071/132,430,048.90
  6. Step 6: Final answer
    x = 55,037,905.35

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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.