Home / 57,328,155-79,111,672.92-31,223,131.56

Finding the Fourth Proportional to 57,328,155, 79,111,672.92 and 31,223,131.56

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Solution

The fourth proportional to 57,328,155, 79,111,672.92 and 31,223,131.56 is: 43,087,278.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,328,155 : 79,111,672.92 = 31,223,131.56 : x
  2. Step 2: Convert to fraction form
    57,328,155/79,111,672.92 = 31,223,131.56/x
  3. Step 3: Cross multiply
    57,328,155x = 79,111,672.92 × 31,223,131.56
  4. Step 4: Simplify right side
    57,328,155x = 2,470,114,171,512,849.50
  5. Step 5: Solve for x
    x = 2,470,114,171,512,849.50/57,328,155
  6. Step 6: Final answer
    x = 43,087,278.35

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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.