Home / 130,726,483.20-196,115,560.56-38,611,821.96

Finding the Fourth Proportional to 130,726,483.20, 196,115,560.56 and 38,611,821.96

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Solution

The fourth proportional to 130,726,483.20, 196,115,560.56 and 38,611,821.96 is: 57,925,363.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,726,483.20 : 196,115,560.56 = 38,611,821.96 : x
  2. Step 2: Convert to fraction form
    130,726,483.20/196,115,560.56 = 38,611,821.96/x
  3. Step 3: Cross multiply
    130,726,483.20x = 196,115,560.56 × 38,611,821.96
  4. Step 4: Simplify right side
    130,726,483.20x = 7,572,379,107,928,318
  5. Step 5: Solve for x
    x = 7,572,379,107,928,318/130,726,483.20
  6. Step 6: Final answer
    x = 57,925,363.88

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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.