Home / 131,220,672.30-196,831,008.45-105,711,504.30

Finding the Fourth Proportional to 131,220,672.30, 196,831,008.45 and 105,711,504.30

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Solution

The fourth proportional to 131,220,672.30, 196,831,008.45 and 105,711,504.30 is: 158,567,256.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,220,672.30 : 196,831,008.45 = 105,711,504.30 : x
  2. Step 2: Convert to fraction form
    131,220,672.30/196,831,008.45 = 105,711,504.30/x
  3. Step 3: Cross multiply
    131,220,672.30x = 196,831,008.45 × 105,711,504.30
  4. Step 4: Simplify right side
    131,220,672.30x = 20,807,301,996,135,508
  5. Step 5: Solve for x
    x = 20,807,301,996,135,508/131,220,672.30
  6. Step 6: Final answer
    x = 158,567,256.45

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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.