Home / 150,426,055.86-225,702,862.11-82,189,031.46

Finding the Fourth Proportional to 150,426,055.86, 225,702,862.11 and 82,189,031.46

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Solution

The fourth proportional to 150,426,055.86, 225,702,862.11 and 82,189,031.46 is: 123,318,394.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,426,055.86 : 225,702,862.11 = 82,189,031.46 : x
  2. Step 2: Convert to fraction form
    150,426,055.86/225,702,862.11 = 82,189,031.46/x
  3. Step 3: Cross multiply
    150,426,055.86x = 225,702,862.11 × 82,189,031.46
  4. Step 4: Simplify right side
    150,426,055.86x = 18,550,299,634,570,832
  5. Step 5: Solve for x
    x = 18,550,299,634,570,832/150,426,055.86
  6. Step 6: Final answer
    x = 123,318,394.07

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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.