Home / 145,167,563.96-200,330,634.02-79,087,856.48

Finding the Fourth Proportional to 145,167,563.96, 200,330,634.02 and 79,087,856.48

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Solution

The fourth proportional to 145,167,563.96, 200,330,634.02 and 79,087,856.48 is: 109,140,912.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,167,563.96 : 200,330,634.02 = 79,087,856.48 : x
  2. Step 2: Convert to fraction form
    145,167,563.96/200,330,634.02 = 79,087,856.48/x
  3. Step 3: Cross multiply
    145,167,563.96x = 200,330,634.02 × 79,087,856.48
  4. Step 4: Simplify right side
    145,167,563.96x = 15,843,720,431,921,168
  5. Step 5: Solve for x
    x = 15,843,720,431,921,168/145,167,563.96
  6. Step 6: Final answer
    x = 109,140,912.75

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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.