Home / 105,271,028.72-145,264,270.38-58,227,089.75

Finding the Fourth Proportional to 105,271,028.72, 145,264,270.38 and 58,227,089.75

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Solution

The fourth proportional to 105,271,028.72, 145,264,270.38 and 58,227,089.75 is: 80,347,991.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,271,028.72 : 145,264,270.38 = 58,227,089.75 : x
  2. Step 2: Convert to fraction form
    105,271,028.72/145,264,270.38 = 58,227,089.75/x
  3. Step 3: Cross multiply
    105,271,028.72x = 145,264,270.38 × 58,227,089.75
  4. Step 4: Simplify right side
    105,271,028.72x = 8,458,315,708,884,526
  5. Step 5: Solve for x
    x = 8,458,315,708,884,526/105,271,028.72
  6. Step 6: Final answer
    x = 80,347,991.39

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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.