Home / 130,507,949.44-180,105,591.04-71,775,160.64

Finding the Fourth Proportional to 130,507,949.44, 180,105,591.04 and 71,775,160.64

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Solution

The fourth proportional to 130,507,949.44, 180,105,591.04 and 71,775,160.64 is: 99,052,262.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,507,949.44 : 180,105,591.04 = 71,775,160.64 : x
  2. Step 2: Convert to fraction form
    130,507,949.44/180,105,591.04 = 71,775,160.64/x
  3. Step 3: Cross multiply
    130,507,949.44x = 180,105,591.04 × 71,775,160.64
  4. Step 4: Simplify right side
    130,507,949.44x = 12,927,107,729,058,144
  5. Step 5: Solve for x
    x = 12,927,107,729,058,144/130,507,949.44
  6. Step 6: Final answer
    x = 99,052,262.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.