Home / 55,312,047.12-76,359,292.64-40,410,638

Finding the Fourth Proportional to 55,312,047.12, 76,359,292.64 and 40,410,638

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Solution

The fourth proportional to 55,312,047.12, 76,359,292.64 and 40,410,638 is: 55,787,624.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,312,047.12 : 76,359,292.64 = 40,410,638 : x
  2. Step 2: Convert to fraction form
    55,312,047.12/76,359,292.64 = 40,410,638/x
  3. Step 3: Cross multiply
    55,312,047.12x = 76,359,292.64 × 40,410,638
  4. Step 4: Simplify right side
    55,312,047.12x = 3,085,727,732,811,104.50
  5. Step 5: Solve for x
    x = 3,085,727,732,811,104.50/55,312,047.12
  6. Step 6: Final answer
    x = 55,787,624.82

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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.