Home / 131,242,012.18-196,836,295.72-48,215,228.42

Finding the Fourth Proportional to 131,242,012.18, 196,836,295.72 and 48,215,228.42

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Solution

The fourth proportional to 131,242,012.18, 196,836,295.72 and 48,215,228.42 is: 72,313,025.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,242,012.18 : 196,836,295.72 = 48,215,228.42 : x
  2. Step 2: Convert to fraction form
    131,242,012.18/196,836,295.72 = 48,215,228.42/x
  3. Step 3: Cross multiply
    131,242,012.18x = 196,836,295.72 × 48,215,228.42
  4. Step 4: Simplify right side
    131,242,012.18x = 9,490,506,959,486,468
  5. Step 5: Solve for x
    x = 9,490,506,959,486,468/131,242,012.18
  6. Step 6: Final answer
    x = 72,313,025.39

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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.