Home / 189,154,599.72-261,033,229.71-102,234,471.72

Finding the Fourth Proportional to 189,154,599.72, 261,033,229.71 and 102,234,471.72

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Solution

The fourth proportional to 189,154,599.72, 261,033,229.71 and 102,234,471.72 is: 141,083,507.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,154,599.72 : 261,033,229.71 = 102,234,471.72 : x
  2. Step 2: Convert to fraction form
    189,154,599.72/261,033,229.71 = 102,234,471.72/x
  3. Step 3: Cross multiply
    189,154,599.72x = 261,033,229.71 × 102,234,471.72
  4. Step 4: Simplify right side
    189,154,599.72x = 26,686,594,340,767,260
  5. Step 5: Solve for x
    x = 26,686,594,340,767,260/189,154,599.72
  6. Step 6: Final answer
    x = 141,083,507.25

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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.