Home / 57,931,166.76-79,945,042.42-31,827,366.11

Finding the Fourth Proportional to 57,931,166.76, 79,945,042.42 and 31,827,366.11

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Solution

The fourth proportional to 57,931,166.76, 79,945,042.42 and 31,827,366.11 is: 43,921,782.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,931,166.76 : 79,945,042.42 = 31,827,366.11 : x
  2. Step 2: Convert to fraction form
    57,931,166.76/79,945,042.42 = 31,827,366.11/x
  3. Step 3: Cross multiply
    57,931,166.76x = 79,945,042.42 × 31,827,366.11
  4. Step 4: Simplify right side
    57,931,166.76x = 2,544,440,133,420,879.50
  5. Step 5: Solve for x
    x = 2,544,440,133,420,879.50/57,931,166.76
  6. Step 6: Final answer
    x = 43,921,782.96

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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.