Home / 130,507,825.41-180,105,424.43-71,775,032.94

Finding the Fourth Proportional to 130,507,825.41, 180,105,424.43 and 71,775,032.94

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Solution

The fourth proportional to 130,507,825.41, 180,105,424.43 and 71,775,032.94 is: 99,052,089.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,507,825.41 : 180,105,424.43 = 71,775,032.94 : x
  2. Step 2: Convert to fraction form
    130,507,825.41/180,105,424.43 = 71,775,032.94/x
  3. Step 3: Cross multiply
    130,507,825.41x = 180,105,424.43 × 71,775,032.94
  4. Step 4: Simplify right side
    130,507,825.41x = 12,927,072,770,777,056
  5. Step 5: Solve for x
    x = 12,927,072,770,777,056/130,507,825.41
  6. Step 6: Final answer
    x = 99,052,089.25

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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.