Home / 56,168,159.56-77,512,165.55-31,388,346.54

Finding the Fourth Proportional to 56,168,159.56, 77,512,165.55 and 31,388,346.54

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Solution

The fourth proportional to 56,168,159.56, 77,512,165.55 and 31,388,346.54 is: 43,315,977.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,168,159.56 : 77,512,165.55 = 31,388,346.54 : x
  2. Step 2: Convert to fraction form
    56,168,159.56/77,512,165.55 = 31,388,346.54/x
  3. Step 3: Cross multiply
    56,168,159.56x = 77,512,165.55 × 31,388,346.54
  4. Step 4: Simplify right side
    56,168,159.56x = 2,432,978,713,349,249.50
  5. Step 5: Solve for x
    x = 2,432,978,713,349,249.50/56,168,159.56
  6. Step 6: Final answer
    x = 43,315,977.10

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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.