Home / 265,732,635.56-398,563,958.16-78,982,591.91

Finding the Fourth Proportional to 265,732,635.56, 398,563,958.16 and 78,982,591.91

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Solution

The fourth proportional to 265,732,635.56, 398,563,958.16 and 78,982,591.91 is: 118,463,486.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,732,635.56 : 398,563,958.16 = 78,982,591.91 : x
  2. Step 2: Convert to fraction form
    265,732,635.56/398,563,958.16 = 78,982,591.91/x
  3. Step 3: Cross multiply
    265,732,635.56x = 398,563,958.16 × 78,982,591.91
  4. Step 4: Simplify right side
    265,732,635.56x = 31,479,614,455,392,776
  5. Step 5: Solve for x
    x = 31,479,614,455,392,776/265,732,635.56
  6. Step 6: Final answer
    x = 118,463,486.39

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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.