Home / 131,316,940.40-196,676,812.20-82,943,999.60

Finding the Fourth Proportional to 131,316,940.40, 196,676,812.20 and 82,943,999.60

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Solution

The fourth proportional to 131,316,940.40, 196,676,812.20 and 82,943,999.60 is: 124,227,395.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,316,940.40 : 196,676,812.20 = 82,943,999.60 : x
  2. Step 2: Convert to fraction form
    131,316,940.40/196,676,812.20 = 82,943,999.60/x
  3. Step 3: Cross multiply
    131,316,940.40x = 196,676,812.20 × 82,943,999.60
  4. Step 4: Simplify right side
    131,316,940.40x = 16,313,161,432,446,072
  5. Step 5: Solve for x
    x = 16,313,161,432,446,072/131,316,940.40
  6. Step 6: Final answer
    x = 124,227,395.05

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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.