Home / 31,372,145.95-43,298,698.05-26,136,852.43

Finding the Fourth Proportional to 31,372,145.95, 43,298,698.05 and 26,136,852.43

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Solution

The fourth proportional to 31,372,145.95, 43,298,698.05 and 26,136,852.43 is: 36,073,135.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,372,145.95 : 43,298,698.05 = 26,136,852.43 : x
  2. Step 2: Convert to fraction form
    31,372,145.95/43,298,698.05 = 26,136,852.43/x
  3. Step 3: Cross multiply
    31,372,145.95x = 43,298,698.05 × 26,136,852.43
  4. Step 4: Simplify right side
    31,372,145.95x = 1,131,691,681,343,978.75
  5. Step 5: Solve for x
    x = 1,131,691,681,343,978.75/31,372,145.95
  6. Step 6: Final answer
    x = 36,073,135.80

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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.