Home / 316,343,731.70-436,549,474.26-177,119,475.72

Finding the Fourth Proportional to 316,343,731.70, 436,549,474.26 and 177,119,475.72

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Solution

The fourth proportional to 316,343,731.70, 436,549,474.26 and 177,119,475.72 is: 244,422,146.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,343,731.70 : 436,549,474.26 = 177,119,475.72 : x
  2. Step 2: Convert to fraction form
    316,343,731.70/436,549,474.26 = 177,119,475.72/x
  3. Step 3: Cross multiply
    316,343,731.70x = 436,549,474.26 × 177,119,475.72
  4. Step 4: Simplify right side
    316,343,731.70x = 77,321,414,006,772,832
  5. Step 5: Solve for x
    x = 77,321,414,006,772,832/316,343,731.70
  6. Step 6: Final answer
    x = 244,422,146.73

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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.