Home / 56,984,600.78-85,485,396.32-18,124,320.54

Finding the Fourth Proportional to 56,984,600.78, 85,485,396.32 and 18,124,320.54

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Solution

The fourth proportional to 56,984,600.78, 85,485,396.32 and 18,124,320.54 is: 27,189,182.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,984,600.78 : 85,485,396.32 = 18,124,320.54 : x
  2. Step 2: Convert to fraction form
    56,984,600.78/85,485,396.32 = 18,124,320.54/x
  3. Step 3: Cross multiply
    56,984,600.78x = 85,485,396.32 × 18,124,320.54
  4. Step 4: Simplify right side
    56,984,600.78x = 1,549,364,724,301,994.75
  5. Step 5: Solve for x
    x = 1,549,364,724,301,994.75/56,984,600.78
  6. Step 6: Final answer
    x = 27,189,182.75

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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.