Home / 53,415,672.70-80,207,489.85-30,740,856.70

Finding the Fourth Proportional to 53,415,672.70, 80,207,489.85 and 30,740,856.70

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Solution

The fourth proportional to 53,415,672.70, 80,207,489.85 and 30,740,856.70 is: 46,159,616.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,415,672.70 : 80,207,489.85 = 30,740,856.70 : x
  2. Step 2: Convert to fraction form
    53,415,672.70/80,207,489.85 = 30,740,856.70/x
  3. Step 3: Cross multiply
    53,415,672.70x = 80,207,489.85 × 30,740,856.70
  4. Step 4: Simplify right side
    53,415,672.70x = 2,465,646,951,745,554.50
  5. Step 5: Solve for x
    x = 2,465,646,951,745,554.50/53,415,672.70
  6. Step 6: Final answer
    x = 46,159,616.22

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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.