Home / 55,311,856.11-76,330,376.70-30,532,059.10

Finding the Fourth Proportional to 55,311,856.11, 76,330,376.70 and 30,532,059.10

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Solution

The fourth proportional to 55,311,856.11, 76,330,376.70 and 30,532,059.10 is: 42,134,249.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,311,856.11 : 76,330,376.70 = 30,532,059.10 : x
  2. Step 2: Convert to fraction form
    55,311,856.11/76,330,376.70 = 30,532,059.10/x
  3. Step 3: Cross multiply
    55,311,856.11x = 76,330,376.70 × 30,532,059.10
  4. Step 4: Simplify right side
    55,311,856.11x = 2,330,523,572,768,210
  5. Step 5: Solve for x
    x = 2,330,523,572,768,210/55,311,856.11
  6. Step 6: Final answer
    x = 42,134,249.99

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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.