Home / 130,109,120.64-195,101,395.20-75,536,783.28

Finding the Fourth Proportional to 130,109,120.64, 195,101,395.20 and 75,536,783.28

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Solution

The fourth proportional to 130,109,120.64, 195,101,395.20 and 75,536,783.28 is: 113,269,014.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,109,120.64 : 195,101,395.20 = 75,536,783.28 : x
  2. Step 2: Convert to fraction form
    130,109,120.64/195,101,395.20 = 75,536,783.28/x
  3. Step 3: Cross multiply
    130,109,120.64x = 195,101,395.20 × 75,536,783.28
  4. Step 4: Simplify right side
    130,109,120.64x = 14,737,331,806,848,032
  5. Step 5: Solve for x
    x = 14,737,331,806,848,032/130,109,120.64
  6. Step 6: Final answer
    x = 113,269,014.00

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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.