Home / 56,892,035.88-78,511,216.28-30,786,550.74

Finding the Fourth Proportional to 56,892,035.88, 78,511,216.28 and 30,786,550.74

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Solution

The fourth proportional to 56,892,035.88, 78,511,216.28 and 30,786,550.74 is: 42,485,551.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,892,035.88 : 78,511,216.28 = 30,786,550.74 : x
  2. Step 2: Convert to fraction form
    56,892,035.88/78,511,216.28 = 30,786,550.74/x
  3. Step 3: Cross multiply
    56,892,035.88x = 78,511,216.28 × 30,786,550.74
  4. Step 4: Simplify right side
    56,892,035.88x = 2,417,089,543,509,401.50
  5. Step 5: Solve for x
    x = 2,417,089,543,509,401.50/56,892,035.88
  6. Step 6: Final answer
    x = 42,485,551.91

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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.