Home / 57,216,108.30-78,957,679.14-31,110,636.12

Finding the Fourth Proportional to 57,216,108.30, 78,957,679.14 and 31,110,636.12

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Solution

The fourth proportional to 57,216,108.30, 78,957,679.14 and 31,110,636.12 is: 42,932,378.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,216,108.30 : 78,957,679.14 = 31,110,636.12 : x
  2. Step 2: Convert to fraction form
    57,216,108.30/78,957,679.14 = 31,110,636.12/x
  3. Step 3: Cross multiply
    57,216,108.30x = 78,957,679.14 × 31,110,636.12
  4. Step 4: Simplify right side
    57,216,108.30x = 2,456,423,624,604,254.50
  5. Step 5: Solve for x
    x = 2,456,423,624,604,254.50/57,216,108.30
  6. Step 6: Final answer
    x = 42,932,378.62

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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.