Home / 57,886,645.22-79,885,816.90-31,782,263.30

Finding the Fourth Proportional to 57,886,645.22, 79,885,816.90 and 31,782,263.30

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Solution

The fourth proportional to 57,886,645.22, 79,885,816.90 and 31,782,263.30 is: 43,860,756.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,886,645.22 : 79,885,816.90 = 31,782,263.30 : x
  2. Step 2: Convert to fraction form
    57,886,645.22/79,885,816.90 = 31,782,263.30/x
  3. Step 3: Cross multiply
    57,886,645.22x = 79,885,816.90 × 31,782,263.30
  4. Step 4: Simplify right side
    57,886,645.22x = 2,538,952,066,651,390
  5. Step 5: Solve for x
    x = 2,538,952,066,651,390/57,886,645.22
  6. Step 6: Final answer
    x = 43,860,756.78

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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.