Home / 131,098,911.40-196,648,367.10-82,631,492.20

Finding the Fourth Proportional to 131,098,911.40, 196,648,367.10 and 82,631,492.20

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Solution

The fourth proportional to 131,098,911.40, 196,648,367.10 and 82,631,492.20 is: 123,947,238.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,098,911.40 : 196,648,367.10 = 82,631,492.20 : x
  2. Step 2: Convert to fraction form
    131,098,911.40/196,648,367.10 = 82,631,492.20/x
  3. Step 3: Cross multiply
    131,098,911.40x = 196,648,367.10 × 82,631,492.20
  4. Step 4: Simplify right side
    131,098,911.40x = 16,249,348,012,166,386
  5. Step 5: Solve for x
    x = 16,249,348,012,166,386/131,098,911.40
  6. Step 6: Final answer
    x = 123,947,238.30

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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.