Home / 56,243,271.56-77,615,828.68-31,463,872.21

Finding the Fourth Proportional to 56,243,271.56, 77,615,828.68 and 31,463,872.21

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Solution

The fourth proportional to 56,243,271.56, 77,615,828.68 and 31,463,872.21 is: 43,420,207.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,243,271.56 : 77,615,828.68 = 31,463,872.21 : x
  2. Step 2: Convert to fraction form
    56,243,271.56/77,615,828.68 = 31,463,872.21/x
  3. Step 3: Cross multiply
    56,243,271.56x = 77,615,828.68 × 31,463,872.21
  4. Step 4: Simplify right side
    56,243,271.56x = 2,442,094,515,236,452.50
  5. Step 5: Solve for x
    x = 2,442,094,515,236,452.50/56,243,271.56
  6. Step 6: Final answer
    x = 43,420,207.39

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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.