Home / 56,668,418.20-84,860,909.70-45,331,010.20

Finding the Fourth Proportional to 56,668,418.20, 84,860,909.70 and 45,331,010.20

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Solution

The fourth proportional to 56,668,418.20, 84,860,909.70 and 45,331,010.20 is: 67,883,150.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,668,418.20 : 84,860,909.70 = 45,331,010.20 : x
  2. Step 2: Convert to fraction form
    56,668,418.20/84,860,909.70 = 45,331,010.20/x
  3. Step 3: Cross multiply
    56,668,418.20x = 84,860,909.70 × 45,331,010.20
  4. Step 4: Simplify right side
    56,668,418.20x = 3,846,830,763,191,979.50
  5. Step 5: Solve for x
    x = 3,846,830,763,191,979.50/56,668,418.20
  6. Step 6: Final answer
    x = 67,883,150.53

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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.