Home / 57,437,316.84-79,263,401.12-31,331,834.66

Finding the Fourth Proportional to 57,437,316.84, 79,263,401.12 and 31,331,834.66

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Solution

The fourth proportional to 57,437,316.84, 79,263,401.12 and 31,331,834.66 is: 43,237,879.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,437,316.84 : 79,263,401.12 = 31,331,834.66 : x
  2. Step 2: Convert to fraction form
    57,437,316.84/79,263,401.12 = 31,331,834.66/x
  3. Step 3: Cross multiply
    57,437,316.84x = 79,263,401.12 × 31,331,834.66
  4. Step 4: Simplify right side
    57,437,316.84x = 2,483,467,777,928,122.50
  5. Step 5: Solve for x
    x = 2,483,467,777,928,122.50/57,437,316.84
  6. Step 6: Final answer
    x = 43,237,879.39

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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.