Home / 82,189,322.28-113,420,981.70-47,381,846.76

Finding the Fourth Proportional to 82,189,322.28, 113,420,981.70 and 47,381,846.76

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Solution

The fourth proportional to 82,189,322.28, 113,420,981.70 and 47,381,846.76 is: 65,386,785.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,189,322.28 : 113,420,981.70 = 47,381,846.76 : x
  2. Step 2: Convert to fraction form
    82,189,322.28/113,420,981.70 = 47,381,846.76/x
  3. Step 3: Cross multiply
    82,189,322.28x = 113,420,981.70 × 47,381,846.76
  4. Step 4: Simplify right side
    82,189,322.28x = 5,374,095,574,278,164
  5. Step 5: Solve for x
    x = 5,374,095,574,278,164/82,189,322.28
  6. Step 6: Final answer
    x = 65,386,785.35

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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.