Home / 130,507,807.16-180,105,399.24-71,775,014.60

Finding the Fourth Proportional to 130,507,807.16, 180,105,399.24 and 71,775,014.60

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Solution

The fourth proportional to 130,507,807.16, 180,105,399.24 and 71,775,014.60 is: 99,052,063.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,507,807.16 : 180,105,399.24 = 71,775,014.60 : x
  2. Step 2: Convert to fraction form
    130,507,807.16/180,105,399.24 = 71,775,014.60/x
  3. Step 3: Cross multiply
    130,507,807.16x = 180,105,399.24 × 71,775,014.60
  4. Step 4: Simplify right side
    130,507,807.16x = 12,927,067,659,989,828
  5. Step 5: Solve for x
    x = 12,927,067,659,989,828/130,507,807.16
  6. Step 6: Final answer
    x = 99,052,063.94

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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.