Home / 72,222,688.56-99,667,293.84-41,283,523.92

Finding the Fourth Proportional to 72,222,688.56, 99,667,293.84 and 41,283,523.92

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Solution

The fourth proportional to 72,222,688.56, 99,667,293.84 and 41,283,523.92 is: 56,971,253.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,222,688.56 : 99,667,293.84 = 41,283,523.92 : x
  2. Step 2: Convert to fraction form
    72,222,688.56/99,667,293.84 = 41,283,523.92/x
  3. Step 3: Cross multiply
    72,222,688.56x = 99,667,293.84 × 41,283,523.92
  4. Step 4: Simplify right side
    72,222,688.56x = 4,114,617,109,285,309
  5. Step 5: Solve for x
    x = 4,114,617,109,285,309/72,222,688.56
  6. Step 6: Final answer
    x = 56,971,253.65

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1.5x scale

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.